SSC-CGL-Quant-24

0
975

Q.1) If (x^2/yz) + (y^2/zx) + (z^2/xy) = 3, then what is the value of (x + y + z)^3?

1) 0

2) 1

3) 2

4) 3

Q.2) If x^1/4 + x^-1/4 = 2, then what is the value of x^81 + (1/x^81) ?

1) – 2

2) 0

3) 1

4) 2

Q.3) If a(a + b + c) = 45, b(a + b + c) = 75 and c(a + b + c) = 105, then what is the value of (a^2 + b^2 + c^2)?

1) 75

2) 83

3) 21 7

4) 225

Q.4) If x^2 + (1/x^2) = 1, then what is the value of x^48 + x^42 + x^36 + x^30 + x^24 + x^18 + x^12 + x^6 + 1?

1) – 9

2) 0

3) 1

4) 9

Q.5) What is the simplified value of sin^2 (90 – θ) – [{sin(90 – θ)sin θ}/tan θ]?
1) 1
2) cosec θ
3) 0
4) cos θ

Q.6) Which one is the largest among the fractions (5/113), (7/120), (13/145) and (17/160)?
1) 5/113
2) 7/120
3) 13/14 5
4) 17/160
Q.7)  Nirmit can do 2/3 of a job in 18 days. Kashish is twice as efficient as Nirmit. In how many days Kashish will complete the job?
1) 29/4
2) 27/2
3) 31/2
4) 13/2
Q.8) 40 men took a dip in a pool 30 m long and 25 m broad. If the average water displaced by a man is 5 m3, then what will be the rise (in cm) in level of the pool?
1) 25
2) 26.66
3) 27.33
4) 28
Q.9) By selling a article for 3800 a man gets 24% loss. If he wants to gain a profit of 30%, then new selling price of article will be-
(1) 5200
2) 6500
3) 5000
4) 7800
Q.10) Two successive discounts of 56% and 14% are equal to the net discount of-
1) 63.85%
2) 62.46%
3) 62.16%
4) 61.16%