Maths MCQs

The ages of two friends, Ram and Ravi, differ by 7 years. Ram’s mother Mayadevi is three times as old as Ram, and Ravi is four times as old as his brother Soham. The ages of Mayadevi and Soham differ by 65 years. Find the age of Mayadevi (in years). Optionsa) 69b) 45c) 85d) 36 Solution As […]

Simplify  Optionsa) 0.28b) 0.48c) 0.42d) 0.37 Solution As per questionLet a = 0.58 , b = 0.1a3 – b3 = (a-b) (a2+b2+ab) = (a-b)(a – b) = 0.58 – 0.1 = 0.48 Ans: b) 0.48

If A : B = 6 : 8 and B : C = 5 : 12, then A : B : C is:  Optionsa) 15 : 20 : 48b) 14 : 31 : 28c) 10 : 23 : 14d) 11 : 32 : 44 Solution As per questionA : B = 6 : 8B :

Items Price per unit (in Rs Quantity Pens 10 x Notebooks 20 6 Optionsa) 7b) 4c) 5d) 6 Solution As per questionPen + Notebooks = 180 = 18010x + 120 = 18010x = 180 – 12010x = 60x = 60/10 = 6 Answer: 6

The value of 15÷3 of 2×2+9÷18 of 2×4−4÷8×2 is:  Optionsa) 5b) c) 8d) Solution As per question15÷3 of 2×2+9÷18 of 2×4−4÷8×215÷6×2+9÷36×4−4÷8×2=5 Answer: 5

If a right circular cone of height 24 cm has a volume of 1232 cm3 ,then the total surface area of the cone is (use π=22/7) Optionsa) 704 cm2b) 806 cm2c) 904 cm2d) 608 cm2 Solution As per questionVolume of cone = Total curved surface area = πrl+πr2l2 = r2 + h2r = radiush = heightl

A bus travels 1/3 of distance initially at a speed of 40 km/h, the next 1/3 of the distance 50km/h, and the final 1/3 of the distance at 60 km/h. Find the average speed of the bus for the entire journey. (Rounded off to two decimal places) Optionsa) 48.65 km/hb) 46.85 km/hc) 54.13 km/hd) 51.43 km/h Solution Let the Total Distance

If  = 12, then find the value of  Optionsa) 142b) 140c) 146d) 144 Solution As per question = 12Square both side = (12)2 = 144 = 144 = 144 – 2 = 142 Answer: 142

What is the ratio of male research scholars in Mathematics to Statistics? Optionsa) 7 : 6b) 14 : 9c) 6 : 7d) 9 : 14 Solution As per questionRatio of male research scholars in Mathematics to StatisticsMathematics : Statistics18 – 4 : 12 – 314 : 9 Answer: 14:9

A money bag contains one rupee, 5 rupee and 10 rupee coins in the ratio of 3 : 5 : 7 respectively. If the total amount in the bag is Rs 980, then find the number of coins of Rs 10. Optionsa) 68b) 69c) 71d) 70 Solution As per question Money bag contains = 1