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A can complete the work in = 30 days Efficiency of A (A’s 1 day’s work) = 1/30 Efficiency of B (B’s 1 day’s work) = 1/30 × (125/100) = 1/24 Efficiency of B (B’s 1 day’s work) = 1/30 × (125/100) = 1/24 Efficiency of C (C’s 1 day’s work) = 1/24 × (120/100) = 1/20 Let the remaining work be complete by B in x days. According to the question, => 3(1/30 + 1/24 + 1/20) + x/24 = 1 ⇒ 3 [(4 + 5 + 6)/120] + x/24 = 1 ⇒ 15/40 + x/24 = 1 ⇒ x/24 = 1 – 3/8 ⇒ x/24 = (8 – 3)/8 ⇒ x/24 = 5/8 ⇒ x = 5/8 × 24 = 15 days
Statements:
No cup is plate.
Only a few plate is saucer.
Some saucer is spoon.
All spoon is juicer.
Conclu...
In each question below are given two statements followed by two conclusions numbered I and II. You have to take the two given statements to be true eve...
Statement:
Only a few clock are timer
Only timer is needle
No clock is watch.
Conclusion:
Statements: No pen is a pencil.
All pencil are book.
Conclusions: I. Some book ar...
Statements:
No red is white.
All white are orange.
Some Orange are blue.
Conclusions:
I. No red is blue.
II. N...
Statements: All circle are bangle.
Some bangle are square
Conclusions I. Some circle a...
Read the given statements and conclusions carefully. Assuming that the information given in the statements is true, even if it appears to be at varianc...
Statements:
No book is a pencil.
All books are boards.
All boards are dusters.
No eraser is a duster.
Statement
Only a few A is B
No B is C
Some C is D
Conclusion
I) All A can never be C
II) All B c...
