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Mat question paper last year

There are five positive integers. When any four of these integers are considered and their average is added to the fifth integer, we get the following numbers: 41, 44, 50, 56 and 65. Which of the following gives the value of one of these five integers?
A) 28 44 C) 36 D) 18
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The scores obtained by a student in five Mock CAT's were 104, 125, 133, 148 and 175, not necessarily in the same order. If the student observed that his average score per test, which he evaluated after each test, was always an integer, find the difference between his score in the third test and that in the fourth test.

An automobile financier claims to be lending money at simple interest but he includes the interest
every six months for calculating the principal. If he is charging an interest of 10%, the effective rate
of interest becomes

how i score more and more in this exam

is 25% more than b and b is 40% less than c if c is 20% more than a then a is what percentage less than d

is it important to solve pervious year paper?

or i should solve direct topic wise question from study room?
need some suggestion

Find the propability that at least 2 defetive bulbs are drawn if 4 bulbs are drawn from a box containing 10 bulbs of which 3 are defective?

Shruti thought of a 4-digut number. she multiplied it by 12, she added 39 to it.she subtracted 36 dozen from that number and then multiplied the resultant number with 24. the number she got was 25×2536. what is the value of x?

with the market price coming down by 25% Sita is able to procure 1 kg of sugar more for Rs 30 what is the original price of sugar