Ajay alone can complete a work in 10 days and Bittu alone can complete the same work in 15 days. Ajay starts the work alone and after three days Bittu joined him to complete the rest work. Then in how many days is required to complete the entire work?
Entire work efficiency of Ajay is 10 x 3 unit/day = 30 units Bittu work efficiency is 15 x 2unit/day = 30units ATQ, Let no. of days taken by Ajay and Bittu together to complete the rest work be ‘x’ days. 3 × 3 + (3 + 2) × x = 30 5x = 21 x = 4.2 days Total days = 3 + 4.2 =7.2 days
What is B’s position with respect to A?
D, E, F, G, H, I, and J are sitting in a straight line and all are facing the North direction. I is to the immediate left of E. G is to the immediate le...
Four among the following five are alike in a certain way and hence form a group. Which of the following does not belong to the group?
Who among the following faces M?
Four of the following five are alike in a certain way and hence form a group. Which of the following does not belong to the group?
Which of the following statement is true?
Four doctors N, M, Q and P and four nurses A, B, C and D are sitting around a circular table facing each other. No two nurses or two doctors are sitting...
Five friends, B, R, S, V and A, are sitting in a row facing north. B is sitting between V and S. R is second to the left of S. Who is sitting at the ri...
Four of the following five are like in a certain way and form a group. Which of the following does not belong to that group?
Nine persons J, K, L, M, N, O, P, Q and R sit in a linear row face south. N sits fourth to the left of J, who sits at the end of the row. M sits second ...