CBSE Class 7 General Knowledge IGKO Olympiad MCQs with Answers Set B

LOGICAL REASONING

Question. Which will come next in the series?
az, by, cx, ? 
(A) ef
(B) gh
(C) ij
(D) dw
Answer : D

Question. Which number will replace the (?) in Fig. (X)?

(A) 1
(B) 2
(C) 3
(D) 4
Answer : A

Question. Which of the following options most closely resembles the mirror image of the given word, if the mirror is placed vertically to the left?

Answer : D

Question. Count the number of triangles in the given figure.

(A) 8
(B) 10
(C) 12
(D) 14
Answer : C

MATHEMATICAL REASONING

Question. The value of 4(3/4) - 2(1/2) =
(A) 1(1/4)
(B) 1(3/4)
(C) 2(1/4)
(D) 2(3/4)
Answer : C

Question. This rectangular prism has a length of 14 cm, a height of 8 cm, and a width of 3 cm.
What is the volume?

(A) 25 cu. cm
(B) 42 cu. cm
(C) 112 cu. cm
(D) 336 cu. cm
Answer : D

Question. Which expression represents the product of n and 25?
(A) 25n
(B) 25 – n
(C) 25 + n
(D) 25 ÷ n
Answer : A

Question. What is the prime factorization of 45?
(A) 23 × 5
(B) 32 × 5
(C) 52 × 3
(D) 52 × 9
Answer : B

Question. The value of 11.3 × 2.7 = ___________.
(A) 29.31
(B) 29.51
(C) 30.31
(D) 30.51
Answer : D

Question. Mohit gains 60 paise on ₹ 60. His gain percent is ________.
(A) 1%
(B) 0.1%
(C) 2%
(D) 1.1%
Answer : A

EVERYDAY MATHEMATICS

Question. Kartik can throw a ball 50(3/5) m high. Ayan can throw the same ball 48(1/3) m high. How much farther can Kartik throw the ball than Ayan?
(A) 2(2/15)m
(B) 2(4/15)m
(C) 2(3/5)m
(D) 2(4/5)m
Answer : B

Question. In a parking lot, 1 out of every 8 cars is blue.
What percent of the cars in this lot are blue?
(A) 1.25%
(B) 7%
(C) 9%
(D) 12.5%
Answer : D

Question. A duck flew at speed of 18 km per hour for 3 hours, then at speed of 15 km per hour for 2 hours. How far did the duck fly in all? (Speed = Distance/Time)
(A) 69 km
(B) 75 km
(C) 81 km
(D) 84 km
Answer : D

ACHIEVERS SECTION

Question. In a quiz, 40 prizes consisting of 1st and 2nd prizes only are to be given. 1st and 2nd prizes are worth ₹ 2500 and ₹ 1500, respectively. If the total prize money is ₹ 85,000, then
(i) The equation formed is
(ii) The number of 1st prizes are
(iii) The number of 2nd prizes are
                             (i)                              (ii)      (iii)
(A) 2500x + 1500(40 – x) = 85000        25       15
(B) 2500x – 1500(40 – x) = 85000        36        4
(C) 2500x × 1500(x – 40) = 85000        20       20
(D) 2500x – 1500(x – 40) = 85000        15       25
Answer : A

Question. Study the given statements. 
Statement - I : e and h are supplementary angles.
Statement - II : c and g are equal angles.

Which of the following options is correct?
(A) Both statement-I and statement-II are true.
(B) Statement-I is true and statement-II is false.
(C) Statement-I is false and statement-II is true.
(D) Both statement-I and statement-II are false
Answer : C