Question
If a : b = 4 : 5 and b : c = 6 : 7, find a :
c.Solution
ATQ, Make b same: From 4:5, take b = 30 => multiply by 6 => a:b = 24:30 From 6:7, take b = 30 => multiply by 5 => b:c = 30:35 So a:c = 24:35
Select the number from the given alternatives that can replace the question mark (?) in the following series. Â
22, 25, 35, 59, 104, ?
Select the correct combination of mathematical signs that can sequentially replace the * signs and balance the given equation.
36 * 12 * 6 * 12 * 3 = 63
In each of the given number-clusters, the number on the right side of = (the equal to sign) is calculated by performing certain mathematical operations ...
What should come in place of ‘?’ in the given series?
16, 21, ?, 43, 60, 81, 106
Select the number from among the given options that can replace the question mark (?) in the following series.
23, 27, 43, 79, 143, ?
Select the set in which the numbers are related in the same way as are the numbers of the following sets.
(NOTE: Operations should be performed o...
Prakash is standing facing the West. He takes a left turn after walking 2 m. Then he walks 3 m, takes a left turn and walks 3 m. He takes a last left tu...
Pointing to a lady Jayant says, "She is the sister of Prikshit, who is the brother of Dushyant and the brother of Abha."
Abha is the sister-in-la...
Study the given pattern carefully and select the number that can replace the question mark (?) in it.
25 24 122
31 27 143
35 29 ?
Select the number-pair that is analogous to the given pair.Â
46 : 61
Relevant for Exams:
