MATHS TEST QUESTIONS – 2 ANSWER KEY
176.In a theatre, there are 20 seats in the front row and 30 rows were allotted. Each successive row contains two additional seats than its front row. How many seats are there in the last row?
(A) 76
(B) 78
(C) 80
(D) 82
(E) Answer not known
Ans: (B) 78
177.If 1^3 +2^3 +3^3+….+n=8281, then find 1+2+3+….+n.
(A) 91
(B) 81
(C) 901
(D) 93
(E) Answer not known.
Ans: (A) 91
178.Find the next term in the below Alpha Numeric Series.
Z1A, X2D, V6G, T21J, R88M, P445P, ?
(A) N 2676 S
(B) N 2676 T
(C) T 2670 N
(D) T 2676 N
(E) Answer not known
Ans: (A) N 2676 S
179.J2Z, K4X, I7V,_____ H16R, M22P Find the missing term
(A) I 11 T
(B) L 11 S
(C) L 12 T
(D) L 11 T
(E) Answer not known
Ans: (D) L 11 T
180.Two unbiased dice are rolled once. How many possible outcomes for getting a doublet (equal numbers on both dice)
(A) 6
(B) 12
(C) 36
(D) 18
(E) Answer not known
Ans: (A) 6
181.In a March past, seven persons are standing in a row. Q is standing left to R but right to P. O is standing right to N and left to P. Similarly, S is standing right to R and left to T. Find out who is standing in the middle?
(A) P
(B) Q
(C) R
(D) O
(E) Answer not known
Ans: (B) Q
182.A can do a piece of work in 12 hours, B and C can do it 3 hours whereas A and C can do it in 6 hours. How long will B alone take to do the same work?
(A) 6 hours
(B) 12 hours
(C) 4 hours
(D) 10 hours
(E) Answer not known
Ans: (C) 4 hours
183.10 Farmers can plough a field in 21 days. Find the number of days reduced if 14 farmers ploughed the same field?
(A) 6
(B) 7
(C) 8
(D) 9
(E) Answer not known
Ans: (A) 6
184.The total surface area of a hemi-sphere is how much times the square of its radius?
(Α) π
(B) 4π
(C) 3π
(D) 2π
(E) Answer not known
Ans: (C) 3π
185.If the radius of the base of a cone tripled and the height is doubled, then the volume of the cone increases
(A) 6 times
(B) 12 times
(C) 18 times
(D) 24 times
(E) Answer not known
Ans: (C) 18 times
186.The compound interest on 20,000 at 15% per annum for 2 1/3 years
(A) 7272.50
(B) 7722.50
(C) 7772.50
(D) 7777.70
(E) Answer not known
Ans: (C) 7772.50
187.A principal amounts to 2028/- in 2 years with 4% P.A. compounded annually. Then the principal is
(A) 1875
(B) 1612
(C) 1800
(D) 1825
(E) Answer not known
Ans: (A) 1875
188.In how much time will the Simple Interest on ₹3,000 at the rate of 8% per annum be the same as simple interest on 4,000 at 12% per annum for 4 years?
(A) 2 years
(B) 8 years
(C) 4 years
(D) 6 years
(E) Answer not known
Ans: (B) 8 years
189.Basha borrowed 8,500 from a bank at a particular rate of Simple Interest. After 3 years he paid 11,050 to settle his debt. At what rate of interest he borrowed the money?
(A) 10%
(B) 8%
(C) 11%
(D) 9%
(E) Answer not known
Ans: (A) 10%
190.If a principal is getting doubled after 4 years, then rate of interest is
(A) 10%
(B) 15%
(C) 20%
(D) 25%
(E) Answer not known
Ans: (D) 25%
191.x varies inversely as twice of y. Also when y = 6 the value of x is 4. When y = 8 then the value of x is
(A) 2
(B) 3
(C) 5
(D) 6
(E) Answer not known.
Ans: (B) 3
192.If 4a = 5b and 7b = 9c then a:b:c is
(A) 28:36:45
(B) 36:28:45
(C) 44:33:28
(D) 45:36:28
(E) Answer not known
Ans: (D) 45:36:28
193.If 7: 5 is in proportion to x: 25, then ‘x’is _____
(A) 27
(B) 49
(C) 35
(D) 14
(E) Answer not known
Ans: (C) 35
194.Find the largest number which divides 1230 and 1926 leaving remainder 12 in each case
(A) 6
(B) 174
(C) 522
(D) 696
(E) Answer not known
Ans: (B) 174
195.Find the LCM of p ^ 2 – 3p + 2, p ^ 2 – 4
(A) (P-1)
(B) (P-2)
(C) (P+2)
(D) (P – 1)(P – 2)(P + 2)
(E) Answer not known
Ans: (D) (P – 1)(P – 2)(P + 2)
196.LCM of two numbers is 180. Then, which of the following is not the HCF of the numbers?
(A) 45
(B) 60
(C) 75
(D) 90
(E) Answer not known
Ans: (C) 75
197.Find the HCF of the numbers 18, 24 and 30.
(A) 3
(B) 4
(C) 5
(D) 6
(E) Answer not known
Ans: (D) 6
198.270 candidates appeared for an examination, of which 252 passed. What is the pass percentage?
(A) 80 1/3 %
(B) 83 1/3 %
(C) 93 1/3%
(D) 98 1/3%
(E) Answer not known.
Ans: (C) 93 1/3%
199.Use BODMAS and put the correct operator in the box for
2 – 6-12÷ (4+2) = 10
(A) +
(B) –
(C) ×
(D) +
(E) Answer not known.
Ans: (C) ×
200.A fruit-seller bought some mangoes of which 10% were rotten. He sold 46%% of the rest. If he still has 192 mangoes. Find the total number of mangoes, originally bought by him.
(A) 375
(B) 425
(C) 400
(D) 450
(E) Answer not known
Ans: (C) 400