Find the value of a/b + b/a, if a and b are the roots of the quadratic equation x2 + 8x + 4 = 0? September 23, 2025 by Admin A. 15 B. 14 C. 24 D. 26 ✅ The correct answer is option B. 14.
Find the quadratic equations whose roots are the reciprocals of the roots of 2×2 + 5x + 3 = 0? September 23, 2025 by Admin A. 3×2 + 5x – 2 = 0 B. 3×2 + 5x + 2 = 0 C. 3×2 – 5x + 2 = 0 D. 3×2 – 5x – 2 = 0 ✅ The correct answer is option B. 3×2 + 5x + 2 = 0.
The area of the square formed on the diagonal of a rectangle as its side is 108 1/3 % more than the area of the rectangle. If the perimeter of the rectangle is 28 units, find the difference between the sides of the rectangle? September 23, 2025 by Admin A. 8 B. 12 C. 6 D. 2 ✅ The correct answer is option D. 2. Let the sides of the rectangle be l and b respectively.
A rectangular field has dimensions 25m by 15m. Two mutually perpendicular passage of 2m width have been left in it’s central part and grass has been grown in rest of the field. The area under the grass is____________? September 23, 2025 by Admin A. 295m2 B. 299m2 C. 300m2 D. 375m2 ✅ The correct answer is option B. 299m2.
In a town 45% population read magazine A, 55% magazine B, 40% read Magazine C, 30% read magazines A and B, 15% read magazines B and C, 25% read magazines A and C and 10% read all the three magazines. What percentage do not read any magazine? September 23, 2025 by Admin A. 10% B. 15% C. 20% D. 25% ✅ The correct answer is option C. 20%.
The speed of a boat in still water is 60kmph and the speed of the current is 20kmph. Find the speed downstream and upstream? September 23, 2025 by Admin A. 35, 25 kmph B. 80, 40 kmph C. 40, 60 kmph D. 50, 55 kmph ✅ The correct answer is option B. 80, 40 kmph.
If there is a total of 104 weekly instalments and a third deposit, find the interest charged September 23, 2025 by Admin A. 237.55 B. 337 C. 443 D. 334 ✅ The correct answer is option A. 237.55. Cash price = $3695 Deposit =1/3 of $3695
A merchant has three different types of milk: 435 liters, 493 liters and 551 liters. Find the least number of casks of equal size required to store all the milk without mixing. September 23, 2025 by Admin A. 51 B. 61 C. 47 D. 45 ✅ The correct answer is option A. 51.
An article is bought for Rs.600 and sold for Rs.500, find the loss percent? September 23, 2025 by Admin A. 16 4/3% B. 100/3% C. 16% D. 16 2/3% ✅ The correct answer is option D. 16 2/3%.
A box contains nine bulbs out of which 4 are defective. If four bulbs are chosen at random, find the probability that at least one bulb is good. September 23, 2025 by Admin A. 6/63 B. 2/63 C. 125/126 D. 1/126 ✅ The correct answer is option C. 125/126.