Mathematics Easy 4

Q1: An article is sold for ₹450 after a 10% discount. What was its marked price?

₹ 480 ₹ 500 ₹ 520 ₹ 550

Q2: If ₹6000 is invested at 10% per annum in simple interest, what will be the interest for 3 years?

1600 1800 2000 2200

Q3: The perimeter of a square of side 8 cm is:

16 cm 24 cm 32 cm 64 cm

Q4: In a right triangle, the lengths of two perpendicular sides are 9 cm and 12 cm. The hypotenuse is:

Assamese

এটা সমকোণী ত্ৰিভুজত, দুটা লম্ব বাহুৰ দৈৰ্ঘ্য ৯ চে.মি. আৰু ১২ চে.মি। কৰ্ণৰ দৈৰ্ঘ্য হ'ল:

15 cm 18 cm 21 cm 25 cm

Q5: One train covers 150 km in 3 hours. Find its speed.

40 km/h 45 km/h 50 km/h 55 km/h

Q6: Find the simple interest on ₹ 5000 for 2 years at 5% per annum.

₹ 400 ₹ 500 ₹ 450 ₹ 550

Q7: Ajay and Kimi together can complete a work in 6 days. Kimi alone can do it in 9 days. How long will Ajay alone take?

12 days 14 days 15 days 18 days

Q8: Calculate the compound interest on ₹5000 for 2 years at the rate of 10% per year, interest is compounded annually.

₹ 1000 ₹ 1050 ₹ 1100 ₹ 1200

Q9: The area of a rectangle with length 12 cm and breadth 8 cm is:

80 cm² 96 cm² 100 cm² 120 cm²

Q10: What is the HCF of 72 and 120?

12 18 24 36

Q11: If Rs 3000 amounts to Rs 3150 in 1 year at simple interest, find the rate.

4% 5% 6% 7%

Q12: If 5x = 2x + 9, then x = ?

1 2 3 4

Q13: If (x+3)(x-3) = ?, then:

x² - 6 x² - 9 x² + 9 x² - 3

Q14: A sum of ₹8000 amounts to ₹8800 in 2 years at simple interest. Find the rate of interest.

4% 5% 6% 8%

Q15: The simple interest on a certain sum for 3 years at 6% per annum is ₹900. Find the principal amount.

₹4000 ₹4500 ₹5000 ₹5500

Q16: Simplify: √(81/16).

9/4 4/9 7/4 9/4

Q17: Simplify: √200 / √8.

5 10 √7 7

Q18: Mrinal can do a job in 12 days. How much work does Mrinal do in 3 days?

1/4 1/3 1/7 1/6

Q19: X can complete a work in 15 days and Y can complete the same work in 20 days. How much work can they complete together in 1 day?

20/85 7/60 15/37 1/35

Q20: Evaluate: (√5 + √3)(√5 - √3)

2 3 6 8