Numerical Digit and Number
Problems on NUMBERS
Q. 1 to Q. 10
Check the divisibility for the following numbers whether these are divisible by 2, 3, 4, 5, 6, 7, 8, 9, 11, and 12. Test for all Factors among the above mentioned numbers.
191
1221
11111
10101
512
3927
34632
4832718
583360
47900160
Q. 11. Simplify (46 + 18 * 6 + 4) / (12 * 12 + 8 *12) = ?
Q. 12 On dividing a number by 999, the quotient is 366 and the remainder is 103. The number is
Q. 13 Simplify (272 - 32)(124 + 176) / (17 * 15 - 15)
Q. 14 How many pieces of 0.85 meteres can be cut from a rod 42.5 meteres long.
Q. 15 (?) + 3699 + 1985 - 2047 = 31111
Q. 16 Simplify (6/119) * (63/8) * (17/9) = ?
Q. 17 What smallest number should be added to 4456 so that the sum is completely divisible by 6 ?
Q. 18 How many 3 digit numbers are divisible by 6 in all ?
Q. 19 Find the units digit for 7^197 without using a calculator.
Q. 20 What is the units digit of (2)3(3)3(4)3(5)7(6)2(7)2
Q. 21 What is the units digit of 13^35 ?
Q. 22 Find the units digit of 57^30
Q. 23 Find the units digit of 34^33
Q. 24 Is 52563744 divisible by 24 ?
Q. 25 If a - b = 3 and a2 + b2 = 29, find the value of ab.
Q. 26 The price of 2 sarees and 4 shirts is Rs. 1600. With the same money one can buy 1 saree and 6 shirts. If one wants to buy 12 shirts, how much shall he have to pay ?
Q. 27 A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be:
Q. 28 A sum of Rs. 1360 has been divided among A, B and C such that A gets of what B gets and B gets of what C gets. B's share is
Q 29 To fill a tank, 25 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present ?
Q 30
(469 + 174)2 - (469 - 174)2
= ?
(469 x 174)
Q. 1 to Q. 10
Check the divisibility for the following numbers whether these are divisible by 2, 3, 4, 5, 6, 7, 8, 9, 11, and 12. Test for all Factors among the above mentioned numbers.
191
1221
11111
10101
512
3927
34632
4832718
583360
47900160
Q. 11. Simplify (46 + 18 * 6 + 4) / (12 * 12 + 8 *12) = ?
Q. 12 On dividing a number by 999, the quotient is 366 and the remainder is 103. The number is
Q. 13 Simplify (272 - 32)(124 + 176) / (17 * 15 - 15)
Q. 14 How many pieces of 0.85 meteres can be cut from a rod 42.5 meteres long.
Q. 15 (?) + 3699 + 1985 - 2047 = 31111
Q. 16 Simplify (6/119) * (63/8) * (17/9) = ?
Q. 17 What smallest number should be added to 4456 so that the sum is completely divisible by 6 ?
Q. 18 How many 3 digit numbers are divisible by 6 in all ?
Q. 19 Find the units digit for 7^197 without using a calculator.
Q. 20 What is the units digit of (2)3(3)3(4)3(5)7(6)2(7)2
Q. 21 What is the units digit of 13^35 ?
Q. 22 Find the units digit of 57^30
Q. 23 Find the units digit of 34^33
Q. 24 Is 52563744 divisible by 24 ?
Q. 25 If a - b = 3 and a2 + b2 = 29, find the value of ab.
Q. 26 The price of 2 sarees and 4 shirts is Rs. 1600. With the same money one can buy 1 saree and 6 shirts. If one wants to buy 12 shirts, how much shall he have to pay ?
Q. 27 A man has some hens and cows. If the number of heads be 48 and the number of feet equals 140, then the number of hens will be:
Q. 28 A sum of Rs. 1360 has been divided among A, B and C such that A gets of what B gets and B gets of what C gets. B's share is
Q 29 To fill a tank, 25 buckets of water is required. How many buckets of water will be required to fill the same tank if the capacity of the bucket is reduced to two-fifth of its present ?
Q 30
(469 + 174)2 - (469 - 174)2
= ?
(469 x 174)