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Let, total amount of work = 180 units (LCM of 36 and 45) Efficiency of A = 180/36 = 5 units per day Efficiency of B = 180/45 = 4 units per day According to question; 9 × x + 4 × (30 – x) = 180 Or, 9x – 4x = 180 – 120 Or, 5x = 60 Or, x = 12
Which among the following pole is the third highest pole?
All 28 students in a class are standing in a row facing north. Himani is 16th from the right end and Sheetal is 11th from left end...
A series is given with one term missing. Choose the correct alternatives from the given ones that will complete the series.
19, 23, 48, 54, 103, ___
There are 20 students in the class. Tarun ranks eighth in the class among the boys and Tanvi ranks fifth among the girls in the class. Tarun is just abo...
Six persons (H, I, J, K, L, and M) live on different floors of a six-floor building. The bottommost floor is numbered as 1 and the topmost floor is numb...
Some girls are sitting in a row. Anita is sitting sixteenth from the left and Babita is eighth from the right. If there are four girls between Anita and...
'B + N’ means ‘B is the sister of N’. ‘B # N’ means ‘B is the husband of N’. ‘B $ N’ means ‘B is the daughter of N’. ‘B% N’ me...
M is sixth form the left end and N is fourteen from the right end. O who is third to the right of M is sixth to the left of N. find the total number of ...
In a class, all the students are standing in a row. If a particular student is 18th from both the ends, how many students are there in the cl...
Seven athletes S, T, U, V, W, X and Y participate in a race. W is ahead of S but behind X. V is ahead of only two athlete. Y is running last. U is runni...
