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Practice Number operation Questions and Answers

If all the numbers are arranged in descending order from right to left, which of the following will be the product of the all three digits of the number wh...
What will be the resultant if the first digit of the lowest number is multiplied by the third digit of the highest number?
If the positions of the second and the third digit of each of the numbers are interchanged, how many odd numbers will be formed?
If 2 is subtracted from the second digits of each of the numbers, how many numbers thus formed will be divisible by three?
A series is given with one term missing. Choose the correct alternative from the given ones that will complete the series:- ...
If 3792 = 39 and 7242 = 22, then 2958 = ?
If all the digits of each number are added, the sum of which number will be the largest?
If digits of each number are added and sum is multiplied by 4, and the resultants are arranged in descending order, which number will be at last position?
If first and last digit of each number is multiplied and then the product is added to the sum of the middle two digits of the number, which resultant numbe...
12 5 20 m ...
87 25 36 44 &nb...
196 49 21 18 ...
64 8 5 420 ...
48 6 3 ...
If each of the odd digits in the number ' 78343724' is decreased by 1 and each of the even digits is increased by 1, which of the following will be the su...
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
Select the option in which the numbers are related in the same way as the numbers of the following set. (25, 18, 225)
Select the option in which the numbers are related in the same way as are the numbers of the following set. (15, 315, 7)
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the equation. 1496 * 8 * 13 * 40 * 5 * 0
Select the letter from among the given options that can replace the question mark (?) in the following series. P, N, J, H, ?
Select the options in which the numbers are related in the same way as are the numbers of the following set. (541, 14, 737)
Select the option that is related to the fourth number in the same way as the first number is related to the second number and the fifth number is related ...
Four number-pairs have been given, out of which three are alike in some manner and one is different. Select the number-pair that is different.
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related t...
Select the option in which the numbers are related in the same way as are the numbers in the given set. (109, 114, 139)
Find the number which does NOT belong to the group : 101, 242, 363, 484
Which two numbers should be interchanged to make the given equation correct? 9 + 7 × 5 − 18 ÷ 2 = 3 × 4 − 10 + 45 ÷ 5...
Select the number that can replace the question mark (?) in the following series. 17, 21, 30, 46, 71, ?
Select the option that is related to the third number in the same way as the second number is related to the first number and the sixth number is related t...
If each of the letters in the English alphabet is assigned odd numerical value beginning A = 1, B = 3 and so on, what will be the total value of the letter...
Select the option that is related to the third term in the same way as the second term is related to the ﬁrst term. 17 : 361 : : 21 :______
Three of the following four numbers are alike in a certain way and one is different. Pick the number that is different from the rest .
Select the number-pair in which the two numbers are related in the same way as are the two numbers of the following number-pair. 7 : 85
Select the set in which the numbers are related in the same way as are the numbers of the following set. (4, 14, 44)
Select the set in which the numbers are related in the same way as are the numbers of the following set. (4, 152, 6)
Select the option in which the numbers are related in the same way as are the numbers of the following set. (18, 6, 36)
In the following number sequence, how many such 8s are there, each of which is exactly divisible by its immediate preceding number but not divisible by it...
Select the number-pair that is different from the other three.

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