Question
If in ‘65731742’ we add 2 to all the even digits and
subtract 1 from odd digits then what is the sum of the digits which is 3rd from the left end and 4 th from the right end of the number thus formed?Solution
6 5 7 3 1 7 4 2
8 4 6 2 0 6 6 4
Required sum = 6 + 0 = 6.
- A number 'x' is first multiplied by 11, and the result is subtracted from its square. After adding 24 to the resulting value, the final outcome is zero. Gi...
- The coefficient of 'x 2 ' and 'x' in the expression (Ax + 5) (3 - 2x) are same, where 'A' is a positive integer. (A + 10) is how much percent of...
If p and q are real numbers such that p2 + (p - 2q - 1)2 = - 4q(p + q), then the value p - 2q is
When a number is increased by 30% then the number obtained is 34 less than thrice the original number. Find the original number.
Rs 720 is to be divided among P, Q and R so that P gets 3/5 of Q’s share and R gets 1/3 of P’s share. Share of R is:
The sum of three consecutive odd natural numbers each divisible by 3 is 81. Which number is the largest number among the three numbers?
The difference of two numbers is 1365. On dividing the larger number by the smaller, we get 6 as quotient and the 15 as remainder. What is the smaller n...
The total of three numbers, A, B, and C, is 2450. The second number, B, is 4/7 greater than the first number, A. The third number, C, exceeds A by 375. ...
Find the number of zeros in 58!.
In a group of three numbers first is double of second and half of third. The average of three numbers is 42. Find the difference between the first numb...
Relevant for Exams:
