Q. The sum of the squares of three numbers is 138, while the sum of their products taken two at a time is 131. Their sum is:

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Q. A number consists of two digits. If the digits interchange places and the new number is added to the original number, then the resulting number will be divisible by:

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Q. In a two-digit, if it is known that its unit's digit exceeds its ten's digit by 2 and that the product of the given number and the sum of its digits is equal to 144, then the number is:

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Q. Find a positive number which when increased by 17 is equal to 60 times the reciprocal of the number.

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Q. The product of two numbers is 9375 and the quotient, when the larger one is divided by the smaller, is 15. The sum of the numbers is:

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Q. The product of two numbers is 120 and the sum of their squares is 289. The sum of the number is:

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Q. A number consists of 3 digits whose sum is 10. The middle digit is equal to the sum of the other two and the number will be increased by 99 if its digits are reversed. The number is:

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Q. The sum of two number is 25 and their difference is 13. Find their product.

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Q. What is the sum of two consecutive even numbers, the difference of whose squares is 84?

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Q. The cube root of .000216 is:

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Q. What should come in place of both x in the equation:
x/√128 = √162/x

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Q. The least perfect square, which is divisible by each of 21, 36 and 66 is:

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Q. √1.5625 = ?

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Q. If 3√5 + √125 = 17.88, then what will be the value of √80 + 6√5 ?

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Q. A group of students decided to collect as many paise from each member of group as is the number of members. If the total collection amounts to Rs. 59.29, the number of the member is the group is:

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Q. The square root of (7 + 3√5) (7 - 3√5) is

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Q. How many two-digit numbers satisfy this property.: The last digit (unit's digit) of the square of the two-digit number is 8 ?

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Q. The square root of 64009 is:

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