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Which one of the following is not a prime number?
What least number must be added to 1056, so that the sum is completely divisible by 23 ?
How many of the following numbers are divisible by 132 ?
264, 396, 462, 792, 968, 2178, 5184, 6336
The largest 4 digit number exactly divisible by 88 is:
What is the unit digit in {(6374)^{1793} x (625)^{317} x (341^{491})}?
A number when divided by a divisor leaves a remainder of 24. When twice the original number is divided by the same divisor, the remainder is 11. What is the value of the divisor?
The product of 4 consecutive even numbers is always divisible by:
What is the minimum number of square marbles required to tile a floor of length 5 metres 78 cm and width 3 metres 74 cm? 
What number should be subtracted from x^3+4x^2−7x+12 if it is to be perfectlydivisible by x + 3? 
Find the remainder when 289 is divided by 89?
What is the remainder when 37 is divided by 8? 
A boy writes all the numbers from 100 to 999. The number of zeroes that he uses is ‘a’, the number of 5’s that he uses is ‘b’ and the number of 8’s he uses is ‘c’. What is the value of b+ca?
In a meet, persons from five different places have assembled in Bangalore High School. From the five places the persons come to represent are 42,60,210,90 and 84. What is the minimum number of rooms that would be required to accommodate so that each room has the same number of occupants and occupants are all from the same places? 
A set has exactly five consecutive positive integers starting with 1. What is the percentage decrease in the average of the numbers when the greatest one of the numbers is removed from the set?
When writing numbers from 1 to 10,000, how many times is the digit 9 written?
Which digits should come in place of @ and # if the number 62684@# is divisible by both 8 and 5?
How many keystrokes are needed to type numbers from 1 to 1000 on a standard keyboard?
How many natural numbers below 660 are divisible by 5 and 11 but not by 3?
What is the maximum value of m such that 7m divides into 14! evenly?
Find the remainder when 3^164 is divided by 162?
Which one of the following is the minimum value of the sum of two integers whoseproduct is 36?
If a and b are positive integers, and x=2×3×7×a , and y=2×2×8×b , and the values of both x and y lie between 120 and 130 (not including the two), then a–b= 
A number when divided by 342 gives a remainder 47. When the same number is
divided by 19, what would be the remainder?
A bank issued credit card numbers and the corresponding PIN (Personal Identification Number). Both are 3digit numbers up to 996. Pinaki was the last to get the credit card and so he had the last possible credit card number. He was afraid of forgetting his PIN. He wrote down the number 123 in his diary to remember his PIN. He also wrote out the way to calculate 123 : “Multiply the card number by PIN. Divide the product by 997. The remainder is 123”. Once, Prafull saw his diary in which Pinaki wrote this number 123. Prafull did a lot of purchasing, as he now knows Pinaki’s PIN. What is Pinaki’s PIN?
The least common multiple of two natural numbers a and b, is 399. What is theminimum possible sum of the digits of the number a(given a > b)?
When 242 is divided by a certain divisor the remainder obtained is 8. When 698 is divided by the same divisor the remainder obtained is 9. However, when the sum of the two numbers 242 and 698 is divided by the divisor, the remainder obtained is 4. What is the value of the divisor?
Four digits of the number 29138576 are omitted so that the result is as large as possible. The largest omitted digit is
If a person makes a row of toys of 20 each, there would be 15 toys left. If they made to stand in rows of 25 each, there would be 20 toys left, if they made to stand in rows of 38 each, there would be 33 toys left and if they are made to stand in rows of 40 each, there would be 35 toys left. What is the minimum number of toys the person have?
a, b, c, d, and e are five consecutive numbers in increasing order of size. Deleting one of the five numbers from the set decreased the sum of the remaining numbers in the set by 20%. Which one of the following numbers was deleted?
A chain smoker had spent all the money he had. He had no money to buy his cigarettes. Hence, he resorted to join the stubs and to smoke them. He needed 4 stubs to make a single cigarette. If he got a pack of 10 cigarettes as a gift, then how many cigarettes could he smoke in all?
2ab5 is a fourdigit number divisible by 25. If the number formed from the two digits ab is a multiple of 13, then ab =
The positive integers m and n leave remainders of 2 and 3, respectively, whendivided by 6. m>n. What is the remainder when m–n is divided by 6?
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