Q. What is the value of 64 ÷ 0.4?
-
(A)
120
-
(B)
140
-
(C)
160
-
(D)
180
✅ Correct Answer: (C)
160
Explanation: 64 ÷ 0.4 = 64 × 10/4 = 640/4 = 160.
Q. What is the next number in the series: 4, 9, 19, 39, ___?
-
(A)
69
-
(B)
79
-
(C)
89
-
(D)
99
✅ Correct Answer: (B)
79
Explanation: Pattern: ×2 +1 → (4×2+1), (9×2+1), (19×2+1), (39×2+1) → next = 79.
Q. The HCF of 48 and 64 is:
-
(A)
12
-
(B)
14
-
(C)
16
-
(D)
18
✅ Correct Answer: (C)
16
Explanation: Greatest common divisor of 48 and 64 is 16.
Q. How much is 15% of 540?
-
(A)
70
-
(B)
81
-
(C)
90
-
(D)
100
✅ Correct Answer: (B)
81
Explanation: 15% × 540 = (15/100) × 540 = 81.
Q. What is the square root of 900?
-
(A)
25
-
(B)
28
-
(C)
30
-
(D)
32
✅ Correct Answer: (C)
30
Explanation: 30 × 30 = 900.
Q. A person spends ₹240 which is 30% of his income. What is the income?
-
(A)
₹700
-
(B)
₹750
-
(C)
₹800
-
(D)
₹900
✅ Correct Answer: (C)
₹800
Explanation: 30% = 240 → Income = 240 / 0.30 = 800.
Q. If x + 25 = 80, what is the value of x?
-
(A)
45
-
(B)
50
-
(C)
55
-
(D)
60
✅ Correct Answer: (C)
55
Explanation: x = 80 - 25 = 55.
Q. The cost price is ₹1500 and loss is 10%. What is the selling price?
-
(A)
₹1200
-
(B)
₹1300
-
(C)
₹1350
-
(D)
₹1400
✅ Correct Answer: (C)
₹1350
Explanation: Loss = 1500 × 0.10 = 150 → SP = 1500 - 150 = 1350.
Q. How much is 0.25 × 96?
-
(A)
20
-
(B)
22
-
(C)
24
-
(D)
26
✅ Correct Answer: (C)
24
Explanation: 0.25 = 1/4 → 96 ÷ 4 = 24.
Q. The number of degrees in a triangle is:
-
(A)
90°
-
(B)
120°
-
(C)
180°
-
(D)
360°
✅ Correct Answer: (C)
180°
Explanation: Sum of interior angles of a triangle = 180°.