Question
A and B can do a piece of work in 15 and 20 days
respectively. They work together for 5 days, then A leaves. How long will B take to finish?Solution
ATQ,
Work in 1 day = A: 1/15, B: 1/20 5 days = 5(1/15 + 1/20) = 5×7/60 = 7/12 Remaining = 5/12 B alone → 5/12 ÷ 1/20 = 8⅓ days.
Select the letter cluster that can replace the question mark (?) in the following series.
ZBKI, XDHM, VFEQ, THBU, ___?_____. PLVC
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
l _ m m _ _...
. In the following question, find which one word cannot be made from the letters of the given word “CORRESPONDENCE”Â
How many letters are there in the given series which are immediately followed by a number?
L 6 7 Z @ U 5 % 6 L M @ N O L 9 @ Y # 5 F 6
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
_ _ K _ M _ N ...
Select the combination of letters that when sequentially placed in the blanks of the given letter series will complete the series.
P H _ V T...How many such pairs of letters are there in the word “RESERVATION”, each of which has as many letters between them in the word (in both forward and ...
In a certain code language, FEATHERS is written as BIQDBKPU. How will POSITION be written in that language?
What is the sum of all the odd numbers?Â
How many symbols are there which are immediately followed by a letter?
