Question
Find the wrong number in the given number series.
80, 84, 75, 88, 66, 102Solution
ATQ, 80 + 2 2 = 84 84 – 3 2 = 75 75 + 4 2 = 91 91 – 5 2 = 66 66 + 6 2 = 102 Therefore, 91 should come in place of 88.Â
Three numbers are in the ratio 4 : 9 : 13 and their LCM is 2340. Their HCF is:
Let N be the greatest number that will divide 86, 120, 154 leaving the same remainder in each case. Then sum of the digits in N is:
The fruit-seller wants to pack the boxes with apples. If he packs 4 or 5 apples per box then he is left with 3 apples but if he packs with 8 or 9 apple...
Find the total number of Prime factor in the given expression?
315 × 56 × 68
Sum of the two numbers is 42. LCM and HCF of that two number is 72 and 6 respectively. Find the sum of reciprocals of the numbers?
What is the unit digit of the sum of 3694 and the product of 214 and 123?
The HCF of a^6 - 1 and a^4+ 2a^3- 2a-1 is
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The least number which when divided by 6, 8, 9 and 12 leave zero remainder in each case and when divided by 13 leaves a remainder of 7 is:
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