321. The sum of the square of the three consecutive even natural numbers is 1460. Find the numbers?
A. 18, 20, 22
B. 20, 22, 24
C. 22, 24, 26
D. 24, 26, 28
✅ The correct answer is option B. 20, 22, 24.
Mathematics
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322. 4 * 0.4 * 0.04 * 0.004 = _________?
A. 0.0256
B. 0.00256
C. 0.000256
D. 0.0000256
✅ The correct answer is option C. 0.000256.
323. A started a business with an investment of Rs. 70000 and after 6 months B joined him investing Rs. 120000. If the profit at the end of a year is Rs. 52000, then the share of B is?
A. Rs. 28000
B. Rs. 24000
C. Rs. 30000
D. Rs. 26000
✅ The correct answer is option B. Rs. 24000.
324. A large tanker can be filled by two pipes A and B in 60 and 40 minutes respectively. How many minutes will it take to fill the tanker from empty state if B is used for half the time and A and B fill it together for the other half?
A. 15 min
B. 20 min
C. 27.5 min
D. 30 min
✅ The correct answer is option D. 30 min.
325. What are Prime Numbers?
A. Which can be divided by Odd Numbers
B. Which can be divided by Even Numbers
C. Which can be divided by Number 1 & by itself Number
D. Which can be divided by any Number
✅ The correct answer is option C. Which can be divided by Number 1 & by itself Number.
Submitted by: Muhammad Nasir Ud Din Khokhar
Submitted by: Muhammad Nasir Ud Din Khokhar
326. The sum of three numbers is 98. If the ratio of the first to the second is 2 : 3 and that of the second to the third is 5 : 8, then the second number is :__________?
A. 20
B. 30
C. 48
D. 58
✅ The correct answer is option B. 30.
Let the three parts be A, B, C Then,
Let the three parts be A, B, C Then,
A : B = 2 : 3 and B : C = 5 : 8 (5 X 3/5 ) : (8 X 3/5 ) = 3 : 24/5
A:B:C= 2 : 3 : 24/5 10:15:24
B = (98 X 15/49 ) = 30.
327. 60 + 5 * 12 / (180/3) = _______?
A. 60
B. 120
C. 13
D. 61
✅ The correct answer is option D. 61.
328. A group consists of 4 men, 6 women and 5 children. In how many ways can 3 men, 2 women and 3 children selected from the given group?
A. 300
B. 450
C. 600
D. 750
✅ The correct answer is option C. 600.
329. A sum of Rs.4800 is invested at a compound interest for three years, the rate of interest being 10% p.a., 20% p.a. and 25% p.a. for the 1st, 2nd and the 3rd years respectively. Find the interest received at the end of the three years.
A. Rs.2520
B. Rs.3120
C. Rs.3320
D. Rs.2760
✅ The correct answer is option B. Rs.3120.
330. I. x2 + 5x + 6 = 0, II. y2 + 9y +14 = 0 to solve both the equations to find the values of x and y?
A. If x < y
B. If x > y
C. If x ≤ y
D. If x = y or the relationship between x and y cannot be established.
✅ The correct answer is option D. If x = y or the relationship between x and y cannot be established..