Q. What will be the area of a rectangle with length 18 cm and breadth 12 cm?
(A)
180 sq.cm
(B)
196 sq.cm
(C)
216 sq.cm
(D)
224 sq.cm
✅ Correct Answer: (C)
216 sq.cm
Explanation: Area = 18 × 12 = 216.
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°.
Q. A train travels 300 km in 5 hours. What is its speed?
(A)
45 km/h
(B)
50 km/h
(C)
55 km/h
(D)
60 km/h
✅ Correct Answer: (D)
60 km/h
Explanation: Speed = Distance / Time = 300 / 5 = 60 km/h.
Q. What is the perimeter of a square whose side is 21 cm?
(A)
72 cm
(B)
80 cm
(C)
84 cm
(D)
90 cm
✅ Correct Answer: (C)
84 cm
Explanation: Perimeter = 4 × 21 = 84 cm.
Q. The average of 52, 60, 68 and 80 is:
(A)
63
(B)
64
(C)
65
(D)
66
✅ Correct Answer: (C)
65
Explanation: (52 + 60 + 68 + 80) / 4 = 260 / 4 = 65.
Q. If the LCM of two numbers is 72 and their HCF is 6, one of the numbers is 18. What is the other?
(A)
20
(B)
22
(C)
24
(D)
30
✅ Correct Answer: (C)
24
Explanation: Product of numbers = LCM × HCF = 72 × 6 = 432 → 432 / 18 = 24.
Q. The sum of first 12 natural numbers is:
(A)
68
(B)
72
(C)
78
(D)
84
✅ Correct Answer: (C)
78
Explanation: n(n+1)/2 = 12×13/2 = 78.
Q. What is the selling price of an item for ₹180 profit on a cost price of ₹900?
(A)
₹1000
(B)
₹1050
(C)
₹1080
(D)
₹1120
✅ Correct Answer: (C)
₹1080
Explanation: SP = CP + Profit = 900 + 180 = 1080.
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