Find the surface area of a sphere of radius 7 cm. (Take π = 22/7)
a.
616 sq cm
Correct Answer
b.
484 sq cm
c.
704 sq cm
d.
588 sq cm
No explanation saved for this question yet.
Q2mcq
A sum of ₹10,000 is invested at a compound interest rate of 10% per
annum for 2 years, compounded annually. What is the compound
interest earned?
a.
₹2,000
b.
₹2,100
Correct Answer
c.
₹1,900
d.
₹2,200
No explanation saved for this question yet.
Q3mcq
What is the correct ascending order of the following ratios?
11:15, 23:55, 32:33, 4:11, 26:35
a.
4:11, 11:15, 23:55, 26:35, 32:33
b.
4:11, 23:55, 11:15, 26:35, 32:33
Correct Answer
c.
4:11, 26:35, 11:15, 23:55, 32:33
d.
4:11, 23:55, 26:35, 11:15, 32:33
No explanation saved for this question yet.
Q4mcq
The ratio of the age of a father and his son at present is 6:1. After 5
years from now, the ratio will become 7:2. Find the present age of
the son.
a.
7 years
b.
5 years
Correct Answer
c.
4 years
d.
8 years
No explanation saved for this question yet.
Q5mcq
Evaluate 25 3 + (-20) 3 + (-5) 3
a.
7467
b.
7500
Correct Answer
c.
7244
d.
7360
No explanation saved for this question yet.
Q6mcq
The average of 6.5, 10.8, 19.9 and a is 18. The value of a is:5094
a.
35.8
b.
33.8
c.
34.8
Correct Answer
d.
36.8
No explanation saved for this question yet.
Q7mcq
A new cuboid is formed by placing three cuboids of length 10.5 cm,
breadth 6.4 cm, and height 2 cm, one on top of the other. What is
the volume of the new cuboid?
a.
503.2 cm3
b.
303.2 cm3
c.
403.2 cm3
Correct Answer
d.
413.2 cm3
No explanation saved for this question yet.
Q8mcq
At a health club, 40% of the members are women and 60% of the
members are men. If the average age of the men is 51 years and the
average age of the women is 55 years, what is the average age (in
years) of all the members?
a.
52.6
Correct Answer
b.
59.7
c.
60.9
d.
50.2
No explanation saved for this question yet.
Q9mcq
What is the smallest number that must be added to 45873 so that
the sum is divisible by 11?
a.
9
b.
4
c.
8
Correct Answer
d.
6
No explanation saved for this question yet.
Q10mcq
After successive discounts of 15% and 10%, a customer pays ₹3,672.
What was the marked price?
a.
₹4,700
b.
₹4,750
c.
₹4,800
Correct Answer
d.
₹4,850
No explanation saved for this question yet.
🎉 10 Free Sample Solutions Completed
Unlock All 30 Questions & Solutions
Sign up free in seconds to unlock step-by-step AI answers for the remaining 20 questions.
The price of an item is increased by 15% and then by 20%. Now the
price of the item is decreased so that the overall effective increment
in the price is 5%. The price is decreased approximately by ____%.
a.
21.39
b.
23.91
c.
23.19
d.
21.93
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
If 27 and 81 are the first two terms of a proportion and the third
proportional to these numbers is used as the length of a rectangle
whose width is 4 units, what is the numeric value of the area of the
rectangle?
a.
486
b.
972
c.
6561
d.
729
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
A and B can do a piece of work in 12 days and 18 days, respectively.
Both work for 2 days and then A leaves. How long (in days) will B
take to complete the remaining work?
a.
15
b.
14
c.
13
d.
12
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
A shopkeeper offers the following schemes on toys of the same
marked price.
(A) Successive discounts of 45% and 44% on any number of toys
bought.
(B) Successive discounts of 36%, 41% and 45% on any number of
toys bought.
(C) 49% discount on the first 4 toys and 19% discount on each toy
thereon.
(D) 7 toys free of cost on buying 10 toys.
A customer wants to buy 10 toys. Which of the above schemes is the
least beneficial to her?
a.
B
b.
C
c.
A
d.
D
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
Meena and her mother visit a shop. The shopkeeper tells them that
the price of 5 identical dresses is ₹4,955. Meena buys 9 such
dresses. Find the total cost of the 9 dresses.
a.
₹8,991
b.
₹8,919
c.
₹8,099
d.
₹8,199
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
Arpit buys 3 bed sheets for ₹3,951. He sells the first at a profit of
₹300, the second at a loss of ₹50, and the third at a profit of ₹200.
What is the overall profit or loss percentage?
(Round off your result to two decimal places)
a.
10.93% profit
b.
11.39% loss
c.
11.39% profit
d.
10.93% loss
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
A bus covers 150 km at 60 km/hr, 120 km at 80 km/hr, and 180 km at
90 km/hr without any stops. What is the average speed of the bus
for the entire journey?
a.
72 km/hr
b.
85 km/hr
c.
70 km/hr
d.
75 km/hr
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
The price of sugar is increased by 3%. How much percent the
consumption of sugar must be reduced so as not to increase the
expenditure on sugar? (correct your answer to one decimal place)
a.
2.9%
b.
1.9%
c.
2.6%
d.
1.7%
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
The sum of the digits of a two digit number is 11. If 27 is added to
the number its digits are reversed. Find the ratio between the
original number to the number obtained on reversing the digits.
a.
23:29
b.
13:17
c.
36:59
d.
47:74
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
Two trains are moving in opposite directions at speeds of 36 km/h
and 54 km/h. If their lengths are 100 m and 150 m, respectively, how
much time will they take to cross each other completely?
a.
12 seconds
b.
10 seconds
c.
15 seconds
d.
8 seconds
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.
Two inlet pipes A and B can fill a cistern in 15 hours and 20 hours respectively.
pipes are opened together, but the outlet pipe is closed after 5 hours. The
a.
A.
b.
B.
c.
C.
d.
D. share of Y? An outlet pipe C can empty the cistern in 30 hours. All three total time (in hours) required to fill the cistern completely is
Correct Answer & Step-by-Step Solution Locked
Sign in free to reveal the correct answer and AI explanation for this question.