Question
The average age of 13 girls is 40 years. If the age of
one more girl is added the average decreases by half a year. What is the age of new girl?Solution
Total age of 13 girls = 13 × 40 = 520 years If the age of one more girl is added the average decreases by half a year, ∴ Total age of 14 girls = 39.5 × 14 = 553 Now, Age of the new person = 553 – 520 = 33 years
What will be the resultant if the first digit of the lowest number is multiplied by the third digit of the highest number?
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 relat...
Select the option in which the numbers are related in the same way as the numbers of the following set.
(25, 18, 225)
- This question is based on the five, three-digit numbers given below.
(Left) 847 538 628 482 497 (Right)
(Example- 847 β First digit = 8, ... What should come next in the following number series?
5 6 7 5 5 6 6 7 7 5 5 5 6 6 6 7 7 7 5 5 5 5
Select the letter from among the given options that can replace the question mark (?) in the following series.
P, N, J, H, ?
If 2 is subtracted from the second digits of each of the numbers, how many numbers thus formed will be divisible by three?
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 relate...
Select the option that is related to the third term in the same way as the second term is related to the ο¬rst term.
17 : 361 : : 21 :______
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 relate...
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