A to Z Exams

Find the least number which when divided by 16, 18, 20 and 25 leaves 4 as remainder in each case, but when divided by 7 leaves no remainder.

What is the remainder let after dividing 1!+2!+3!.....+10! by 7?

5.8 x 2.5 + 0.6 x 6.75 +139.25 = ?

Given √5 = 2.2361, √3 = 1.7321, then 1/√5 - √3 is equal to;

Let n be a positive integer such that when we add 1 to the product of any n consecutive positive integers, the result is a perfect square, then n equals?

Let x=√4 + √4 - √4 + √4 - …. to infinity. Then x equals

By how much is three-fifth of 350 greater than four-seventh of 210?

2 + 22 + 222 + 2.22 = ?

The L.C.M of two numbers is 48. The numbers are in the ratio 2:3. Then sum of the number is:

123427201 - ? = 568794

The least multiple of 7, which leaves a remainder of 4, when divided by 6, 9, 15 and 18 is:

An institute organized a fete and 1/5 of the girls and 1/8 of the boys participated in the same. What fraction of the total number of students took part in the fete?

If log 32x=0.8, then x is equal to

601 399 29× ÷49 91 201= ?

After the division of a number successively by 3, 4 and 7 the remainders obtained are 2, 1 and 4 respectively. What will be the remainder if 84 divides the same number?

Mohan is a carpenter who specialises in making chairs. For every assignment he undertakes, he charges his commission and cost.His commission is fixed and equals Rs.560 per assignment while the cost equals Rs.2n² where n is the total number of chairs he makes. If for a certain assignment the average cost per chair is not more than Rs.68       then the minimum and maximum possible number of chairs in the assignment are, respectively.

The value of (0.2 x 0.2 + 0.01) (0.1 x 0.1 + 0.02)-1 is equal to?

What is the value of (7-14 - 7-15)

If 3/5 of a eistern  is filled in 1 minute, how much more time will required to fill the rest of it?

The expression (11.98 * 11.98 + 11.98 * x + 0.02*0.02) will be perfect square of x if x equal to.

The sum of the squares of the first 15 positive integers (12 + 22 + 32 + . . . + 152) is equal to 1240.  What is the sum of the squares of the second 15 positive integers (162 + 172 + 182 + . . . + 302)?

In a two-digit number, 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:

What is 1.99 * 2.01 / 0. 001

A bag contains Rs 300 in the form of 1 rupee, 50 paise and 25 paise coins in the ration 3 : 2 : 4 The number of 25 paise coins in the bag are

3, 8, 18, 46, 100, 210, 432

88% of 370 + 24% of 210 - ? = 118

A number when divided by 342 gives a remainder 47. When the same number is divided by 19, what would be the remainder?

What is the greatest possible length which can be used to measure exactly the lengths 8 m, 4 m 20 cm and 12 m 20 cm?

On meeting Tony, if Appu and Tony walk towards the spot where Roxy is waiting, how manyminutes have elapsed between Roxy leaving the duo and then meeting them again ?

10 17 48 165 688 3475 ?