Maths - Prep Zone

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After 20% discount, an item sells for ₹2400. If profit is 25%, find cost price.

An amount is increased by 30% and then reduced by 10%. If original is ₹5000, find final amount.

Average of 12 numbers is 36. If 48 and 60 are added, find the new average.

In a class, 40% chose Maths, 35% chose English and 100 chose Reasoning. Find total students.

A centre enrolled 360 students in April and 450 in May. Find the percentage rise.

A branch issued 540 cards in Q1 and 675 cards in Q2. Find the percentage increase.

In a batch, 45% students chose Quant, 30% chose Reasoning and 75 chose English. Find total students.

Average age of 5 officers is 34 years. A new officer joins and average becomes 35. Find new officer's age.

The price of a service rises by 15% and then falls by 10%. Find the final price if original was ₹2000.

A product marked at ₹3600 is sold after 10% discount. If profit is 8%, find cost price.

What will come in place of the question mark (?) in the following series? 50, 61, ?, 113, 154, 205

An article sold for ₹1440 gives 20% profit. Find its cost price.

A salary increases by 25% and then decreases by 20%. What is the net change?

Average of 8 numbers is 54. If one number 68 is removed, find the new average.

A branch processed 960 claims in June and 1200 in July. July claims are what percent more?

In a workshop, 28% participants were absent. If 648 attended, find total participants.

Average of 8 numbers is 54. If one number 68 is removed, find the new average.