Question
How many such pairs of letters are there in the word
‘DEHRADUN’ (in both forward and backward directions) each of which has as many letters between them in the word as in the English alphabetical order?Solution
DE, RU and RN
What number has to be added to each term of 4:7 to make the ratio 5:6?
A sum of money is divided among P, Q, R and S in the ratio of 2:3:9:10 respectively. If the share of R's is Rs. 3900 more than the share of Q, then what...
If A varies directly as B and inversely as C and A = 8, B = 2 and C = 5, what is the value of A when B = 6 and C = 5?
- Find the fourth proportion of (k + 3), (2k - 6), and (4k - 9). (Note: 'k' is the smallest two-digit prime number.)
The current heights of A, B, and C are in the ratio of 10:12:15. After one year, the height of A increases by 20%, the height of B increases by 33(1/3)%...
A plot has to be divided among P, Q and R in the ratio 2:5:8 respectively. If the area of plot received by R is 4200m² more than the area of plot recei...
- The mean proportional of 5 and 45 is _____.
If ‘X’, ‘Y’ and ‘Z’ are in proportion and X = 45, Y = 60, then find the value of Z.
A sum of money is divided in the ratio of 2 : 5. If the larger part is 315. Find the smaller part.
Find the third proportional to 11 and 33?