Question
How much time does A take alone to complete the
work? I. B alone takes 45 days, while A and B together take 15 days to complete the work. II. A and B can do a piece of work in 8 days, and B and C can do the same work in 12 days. Direction (Q.116-120): each of the questions given below has one question and two statements marked I and II. You have to decide whether the data provided in the statements are sufficient to answer the question. Read both the statements and give answer:Solution
From I, 1/A = 1/15 - 1/45 = 2/45 Therefore, A takes 45/2 = 221/2 days to complete the work. From II, we cannot get the answer. Therefore, data statement I alone is sufficient to answer the question.
Evaluate: 360 Γ· [ {18 β (6Γ2)} Γ 5 ] + 72 β 33
(43)² - (28)² + (32)² = ?% of 2500
Evaluate:
β729 + β49 - β16 + 1/β64
What will come in place of (?) in the given expression.
12.5 + 7.75 - 3.6 = ?62 of 8 - 320 Γ· 4 = ?3 + 200
2(1/3) + 2(5/6) β 1(1/2) = ? β 6(1/6)
What will come in the place of question mark (?) in the given expression?
30% of 520 + 16% of 1500 = ? + 244
60% of 120 β ?% of 64 = 20% of 200
35% of 840 + 162Β = ? β 25% Γ 300
20% of 240 + 18% of 200 = ?