Answer: a. 999
Explanation: Adding 567 and 432 gives
567+432=999.

Answer: a. 5000
Explanation: The place value of 5 in the number 65231 is in the “thousands” place, so its value is
5×1000=5000.

Answer: c. 6
Explanation: Factors of 36 are numbers that divide 36 exactly.
36÷6=6, so 6 is a factor.

Answer: b. 3/4
Explanation: Dividing both the numerator and denominator by their GCD (4),
16÷4/12÷4= 4/ 3
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Answer: c. 1:3
Explanation: The ratio is simplified by dividing both numbers by their GCD (15), giving
15:45=1:3.

Answer: c. 90°
Explanation: A right angle is always 90°.

Answer: c. 16 cm
Explanation: Perimeter of a rectangle =
2×(l+b)=2×(5+3)=16cm.

Answer: a. 4
Explanation: Solving
2𝑥+4=12
2x=12−4
⟹2x=8
⟹x= 8/2 =4

Answer: c. 0.75
Explanation: Dividing
3÷4=0.75.

Answer: c. 4
Explanation: A square has four lines of symmetry—two diagonals and two through the midpoints of opposite sides.

Answer: d. ₹60
Explanation: Cost of 4 pens =
4×₹15=₹60.

Answer: b. 50
Explanation: 25% of 200 =
(25/100)×200=50.

Answer: a. 36
Explanation: Prime factorization:
12=2²×3
18=2×3²
LCM = 2²×3²=36

Answer: c. 366
Explanation: A leap year has an extra day in February, making the total 366 days.

Answer: c. Equilateral triangle
Explanation: An equilateral triangle has all three sides of equal length.

Answer: c. The value of the data
Explanation: The height of the bar corresponds to the numerical value or frequency of the data.

Answer: c. 64 cm³
Explanation: Volume of a cube = 𝑠³=4³=4×4×4=64 cm

Answer: c. 275
Explanation: Total =
50+45+55+60+65=275.

Answer: a. 6/4
Explanation: Adding fractions:
3/4+3/4=(3+3)/4=6/4