Ritu gets a discount of 40% on an oven whose marked price is
₹1000. Since she pays by credit card, she gets an additional 22%
discount. How much does she pay (in ₹)?
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The price of a jacket is first increased by 20% and then decreased by
25%. If the original price was ₹600, what is the final price of the
jacket?
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How many sides does a regular polygon have if each interior angle
measures 150°?
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The arithmetic mean of 10 observations is 42. Three of the
observations are 30, 38, and 50. The remaining six observations
have an average of 45. Find the missing observation.
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Evaluate 24 3 + (-5) 3 + (-19) 3
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Two taps can fill a cistern in 4 hours and 12 hours, respectively. A
third tap can empty it in 12 hours. How long (in hours) will it take to
fill one-fourth of the empty cistern if all the taps are opened
together?
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If a:b = 12:13 and b:c = 4:5, what is a:c?
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Simplify √[1624+√{3225+√(419+157)}].
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Find the mean proportional between (x + y) 2 and (x - y) 2 , (x and y are
natural number and x > y).
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The largest four-digit number which when divided by 12, 13 and 7
leaves remainder 3 in each case is:
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A shopkeeper buys two types of rice costing ₹32 per kg and ₹40 per
kg. He buys a total of 45 kg of rice for ₹1600. The ratio of the
quantity (in kg) of rice costing ₹32 per kg to that costing ₹40 per kg
is
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The marked price of a sweater is ₹600. The wholesaler offers a 20%
discount to a retailer for up to 20 sweaters and a 25% discount if the
order exceeds 20 sweaters. Find the amount paid by the retailer if he
orders 22 such sweaters.
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A shopkeeper purchases rice at ₹60 per kg. While selling, he uses a
weighing scale that shows 1 kg when only 900 g is actually weighed.
He marks the price 20% above the cost price. Later, he gives a 10%
discount on the marked price but continues using the same faulty
scale. Find his profit (in ₹) on each transaction where the buyer pays
for 1 kg.
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A sum of ₹8,000 is borrowed at a simple interest rate of 5% per
annum for 3 years. What is the simple interest payable?
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The angle of elevation of the top of a building from a point 40 m
away is 45°. What is the height of the building?
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Mary is 3 years older than her sister. If their combined age is 27
years, what is Mary's age (in years)?
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A cyclist travels 40 meters in 8 seconds. What is his speed?
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A shopkeeper offers the following schemes on toys of the same
marked price.
(A) Successive discounts of 50% and 16% on any number of toys
bought.
(B) Successive discounts of 49%, 8% and 13% on any number of toys
bought.
(C) 35% discount on the first 6 toys and 45% discount on each toy
thereon.
(D) On buying eight items, the customer is billed for only four items.
A customer wants to buy 8 toys. Which of the above schemes is the
least beneficial to her?
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A company has 10 officers and 30 clerks. The average monthly
salary of an officer is ₹45,000 and that of a clerk is ₹25,000. What is
the average salary of the entire staff?
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A total of money is split among E, F, G and H in the ratio 9:7:5:3. If G
gets ₹4000 less than F, how much does E receive?
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The HCF and LCM of two positive integers are 36 and 7,560,
respectively. If one of the numbers is 540, what is the other number?
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A sum of ₹20,000 amounts to ₹21,218 in 2 years under compound
interest, compounded annually. Find the rate of interest per annum.
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A smart city metro line had an average of 4,500 daily riders last
month. This month, it averaged 4,860 riders per day. What is the
percentage growth in ridership?
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The diagonals of a rhombus are 19 cm and 29 cm. Find its area.
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A swimming pool is fitted with three pipes. The first two pipes working simultaneously,
The second pipe alone fills the pool 5 hours faster than the first pipe and
third pipes together fill the pool?
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A closed cylindrical reservoir features a radius of 14 cm and a height of 10
paint and the remaining surface is coated in red, determine the total area
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A car travels from City A to City B at a speed of 60 km/h. After reaching City
Due to road repairs on the way back, the car is forced to slow down for 30
increased speed. If the total time for the round trip is 7 hours, find the distance
d.
D. fill the pool in the same time as the third pipe alone. 4 hours slower than the third pipe. In what time will the second and cm. If 20% of the total surface area of this reservoir is coated in blue in square centimeters that is painted red. [Use π = 22/7] B, the driver increases the speed by 20 km/h for the return journey. minutes, during which it travels at only 30 km/h instead of the between City A and City B.
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The value of the expression is
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