The average age of four brother is 12 yr. If the age of their mother is also included. The average is increased by 5 yr. The age of mother (in years) is
The HCF of two numbers is 23 and other two factors of their LCM are 13 and 14. The larger of two numbers is
The number nearest to 10000 which is exactly divisible by each of 3, 4, 5, 6, 7 and 8 is
Of the three numbers, the second is twice the first and it is also thrice the third. If the average of three numbers is 44, the difference of the first number and the third number is
If ★ means adding 6 times the second number to the first number, then (1★2)★3 equals
In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces.
3, 9, 27, 81, (.…)
In each of the following questions, a number series is given with one term missing. Choose the correct alternative that will continue the same pattern and fill in the blank spaces. 64. 1, 6, 13, 22, 33, (..…)
13 
