3. Elementary Mathematics

Question: If 7A = 6B = 12C, what is A : B : C? (a) 7 : 12 : 14

Question: Evaluate: 16 + 10 ÷ 5 – 2 × 3 (a) 14 (b) 15 (c) 12 (d) 11 समीकरण

Question: Two trains 180m each moving towards each other at 50 & 70 km/hr. Time to cross in seconds =

Question: Food for 150 men for 85 days. After 15 days, 25 men left. Remaining food lasts for: (a) 88

Question: Average age of 48 students is 22 yrs. With teacher, avg becomes 23 yrs. Teacher’s age = (a) 60

Question: Petrol price +60%. Consumption reduction for expenditure +12% = (a) 70% (b) 66% (c) 30% (d) 36% पेट्रोल की

Question: Nitin divides ₹1617 between Pravin & Rishi at 10% CI. Equal amounts after 17 & 18 yrs. Pravin’s share

Question: Opposite directions speeds 60 km/h and 110 km/h. Train 1 = 360m. Time = 21 sec. Length of train

Question: The LCM of 672 and 7056 is: (a) 14112 (b) 42336 (c) 28224 (d) 7056 672 और 7056 का

Question: Dishonest shopkeeper uses weight 26% less than written. Profit percentage = (a) 37 (10/37) % (b) 34 (5/37) %