1. A man 2 m tall is walking away from a lamp-post 6 m high. When he is 10 m from the lamp-post, the length of his shadow is: A) 2 m B) 5 m C) 3 m D) 4 m Answer: B) 5 m 2. From a point on the ground, the angle of
Q1. A train travels 360 km at 90 km/h and returns the same distance at 60 km/h. What is the average speed for the whole trip? A) 70 km/h B) 72 km/h C) 75 km/h D) 68 km/h Answer: B) 72 km/h Q2. Two cyclists start 120 km apart and ride towards each other. One
1. Two trains of lengths 62 m and 190 m approach each other from opposite directions with speeds 47 km/h and 114 km/h respectively. How many seconds will they take to completely pass each other? A) 4.04 s B) 11.04 s C) 7.06 s D) 5.63 s Answer: D 2. A train runs a certain
Q1. A sum of ₹12,000 amounts to ₹16,800 in 3 years at simple interest. The rate of interest per annum is: A) 10% B) 12% C) 14% D) 15% Answer: B) 12% Q2. A principal amount doubles itself in 8 years at simple interest. The rate of interest per annum is: A) 12.5% B) 10%
1. 4 groups have sizes [6, 13, 21, 20] with averages [61, 110, 116, 48]. What is the overall average? A. 82.53 B. 86.53 C. 87.53 D. 91.53 2. Two teams of sizes 8 and 10 have averages 37 and 22. Find overall average. A. 30.67 B. 28.67 C. 34.67 D. 23.67 3. Two quantities
