Mathematics Moderate 3

Mathematics - Moderate 3

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Q1: The regular hexagon has side 10 cm. Its perimeter is:
Q2: One cylinder has radius 7 cm and height 10 cm. Its volume is:
Q3: One car travels 300 km at 50 km/h and 200 km at 40 km/h. Find the average speed.
Q4: One cylindrical tank has radius 3 m and height 7 m. Its capacity is:
Q5: The angles of a quadrilateral are in the ratio 1:2:3:4. The largest angle is:
Q6: Anil alone can do a work in 20 days. Babita alone can do it in 30 days. Nikil alone can do it in 60 days. All together can complete the work in:
Q7: The shopkeeper marks an article 40% above cost and allows 20% discount. The profit % is:
Q8: The product of roots of following equation is:
x² + 7x + 10 = 0
Q9: The diagonal of a square is 10√2 cm. Its area is:
Q10: The average of 8 numbers is 15. If each number is doubled, what is the new average?
Q11: One boat can travel 24 km downstream in 3 hours and returns in 4 hours. Find the speed of the stream.
Q12: The average marks of 30 students is 45. If average of 20 students is 40, find average of remaining 10.
Q13: The sphere has radius 7 cm. Its volume is:
Q14: A sum of ₹7000 amounts to ₹8820 in 2 years. Find the compound interest per annum.
Q15: If 3A=4B=6C, find ratio A:B:C.
Q16: An article product is sold for ₹1,500 after 10% discount. If another shop offers 5% extra discount on the same marked price, what is the selling price there?
Q17: Ratio of ages of Ram and Kusal is 5:7. If Ram is 25 years, find the age of Kusal.
Q18: One circle of radius 14 cm is cut into two semicircles. The perimeter of one semicircle is:
Q19: The present ages of Junmoni and Sobita are in the ratio 7:9. After 6 years, their ages will be in the ratio 4:5. What is the age of Junmoni at present?
Q20: Amol can do a work in 15 days. Aron is twice as efficient as Amol. Time taken by Aron alone?
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