Q&Answers: Math/Chemistry/Physics Problems + Solutions

A batsman scored 80 runs which included 2 boundaries and 2 sixes.

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If x-y=8, which of the following must be true?

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4 people are sitting in a 4 seat row watching a football game.

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Find compound interest on Rs. 7500 at 4% per year for 2 years, compounded annually.

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For any integer n greater than 1, n* denotes the product of all the integers from 1 to n, inclusive.

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The simple interest on a sum of money will be Rs.800 after 10 years.

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If y is the smallest positive integer such that 630 multiplied by y is the square of an integer, then y must be

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If 15 students in a class average 80% on an English exam and 10 students average 90% on the same exam, what is the average in percent for all 25 students?

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A shopkeeper first raises the price of Jewellery by x% then he decreases the new price by x%.

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An ice cream store received shipments of ingredients on Tuesday and Wednesday.

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If w/x = 2/3 and w/y = 6/15, then (x + y)/y =

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How many unique positive odd integers less than 110 are equal to the product of a positive multiple of 5 and an odd number?

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A cycle is bought for Rs.670 and sold for Rs.780, find the gain percent?

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John paid a sum of money for purchasing 30 pens, which he recovered in full when he sold 20 of them.

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A swimmer can swim in still water at 4 km/h.

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Bradley owns b video game cartridges.

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If n is a prime number greater than 19, what is the remainder when n^2 is divided by 12 ?

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Four of the five parts numbered (a) ,(b) ,(c) (d) and (e) in the following equation are exactly equal.

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Sum of two number is 50 & sum of three reciprocal is 1/12 so find these two numbers

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John is going with 7 friends on a trip to Paris for spring break.

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If 6! /3^x is an integer, what is the greatest possible value of x?

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A train 480 m in length crosses a telegraph post in 16 seconds.

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What is the least number should be added to 1056, so the sum of the number is completely divisible by 26?

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The area of a parallelogram is 450sq m and its altitude is twice the corresponding base.

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