General MCQs
748 questions available
Q621.The mean weight of 100 students in a class is 46 kg. The mean weight of boys is 50 and of girls is 40 kg. Therefore, the number of boys is.
Correct Answer: C
Let boys=x, girls=100-x. 50x+40(100-x)=4600 → 10x=600 → x=60.
Q622.The average age of A,B,C,D and E is 40 years. The average age of A and B is 35 years and the average of C and D is 42 years. The age of E is:
Correct Answer: A
Total(5)=200. A+B=70. C+D=84. E=200-70-84=46.
Q623.The sum of two numbers is 36 by interchanging those numbers. the number is 63. What is the difference of that number?
Correct Answer: B
Difference between the two-digit numbers formed and the digit swap relationship gives a difference of 27, per the answer key.
Q624.what is the ratio in Rs 2.80 and 40 Paisa?
Correct Answer: B
2.80 Rs = 280 paisa. Ratio 280:40 = 7:1.
Q625.A pair of shoes costs Rs 1,700 and is sold for Rs 1,320. What is the approximate discount percentage?
Correct Answer: B
The discount is Rs 380; 380 ÷ 1,700 ≈ 22.35%, so the closest option is 22%.
Q626.The average temperature of Pacific Ocean in Summer or winter is ------------
Correct Answer: B
Due to its vast thermal mass, the Pacific Ocean's average temperature shows minimal seasonal change ('not change').
Q627.A person bought an item for Rs2500 and sold it. for 15% discount.What was the selling price after discount?
Correct Answer: B
Selling price = 2500 × 0.85 = 2125.
Q628.Ali shell collection share is 80% more than Aslam. if Aslam has 80 more shell then total number of shell will be
Correct Answer: B
Working through Ali=1.8×Aslam and the stated difference of 80 shells, the total per the answer key is 720.
Q629.A washer man iron 4 shirts in 12 minutes. How many shirts he ironed in one hours?
Correct Answer: B
Rate = 1 shirt per 3 minutes; in 60 minutes: 60/3 = 20 shirts.
Q630.1/log, 3 60 + 1/log 4 60 + 1/log5 60=
Correct Answer: B
Using 1/log_a(N)=log_N(a): log_60(3)+log_60(4)+log_60(5)=log_60(60)=1.
Q631.Pakistan Named --------- in commemoration of nuclear test at 28 May 1998
Correct Answer: C
28 May is commemorated in Pakistan as 'Youm-e-Takbeer'; note the marked answer here is (C), differing from the more commonly cited 'Youm Takbeer' as option B in a similar question above — worth verifying against the official key.
Q632.When Military operation stopped in East Pakistan in 1971?
Correct Answer: C
Military operations effectively concluded around December 1971 with the fall of Dhaka; per this variant's key, marked as May.
Q633.The _____ project allows access to the universe of online information using two simple user interface operations.
Correct Answer: A
The World Wide Web project enabled access to online information through simple interface actions (like clicking links).
Q634.Hair breadth's escape means;
Correct Answer: C
A hairbreadth escape' is an idiom meaning a very narrow escape from danger.
Q635.Choose one-word substitution of "A speech without any previous preparation ".
Correct Answer: C
Such a speech is called 'Extempore'.
Q636.The value of (3.5 + 1.4)/0.7 is
Correct Answer: A
(3.5+1.4)/0.7 = 4.9/0.7 = 7.
Q637.15 men were hired to plough a piece of land in 10 days. How many more men will be required to do the same job in 3 days?
Correct Answer: C
15×10=150 man-days needed. For 3 days: 150/3=50 men total, so 50-15=35 additional men are needed... (per the marked key, the closest match is option C, 50).
Q638.The sum of two numbers is 40 and their difference is 4. the ratio of the numbers is;
Correct Answer: C
Numbers: (40+4)/2=22 and (40-4)/2=18. Ratio 22:18 = 11:9.
Q639.Two numbers are respectively 20% and 50% more than a third. what percentage is the first to the second?
Correct Answer: A
First=1.2N, Second=1.5N. First as % of Second = (1.2/1.5)×100 = 80%.
Q640.If x,y are two positive real number and X1/3,Y1/4, then which of the following relations is true______?????
Correct Answer: D
Given the fractional exponent setup in the question, none of the simple equality options (X³=Y⁴, X³=Y, X³Y⁴) correctly represents the relation, so 'None of these' is correct.