Mathematics — All MCQs
1905 questions available
Q1261.If 3^(x+3)+7=250 then x is
Correct Answer: A
3^(x+3) = 243 = 3^5, so x+3=5, giving x=2.
Q1262.How many countries participated in "Aman Naval Exercise" in 2021 with their warships aircrafts and special operation forces inPakistan?
Correct Answer: B
45 countries participated in the 2021 Aman Naval Exercise.
Q1263.The salaries of A, B and C are in the ratio 1.3 if the salaries are increased by 5%, 10% and 15% respectively, then the increased salaries will be in the ratio?
Correct Answer: A
Applying the respective percentage increases to the base ratio produces the new ratio matching option (A) per the answer key.
Q1264.The average of five numbers is 27 If one number is excluded, the average becomes 25 The excluded number is
Correct Answer: A
Sum of 5 = 135. Sum of remaining 4 = 100. Excluded number = 135-100 = 35.
Q1265.There are two sections A and B of a class. consisting of 36 and 44 students respectively the average weight of section A is 40kg and that of section B is 35kg, find the average weight of the whole class?
Correct Answer: B
Total weight = 36×40 + 44×35 = 1440+1540 = 2980. Average = 2980/80 = 37.25 kg.
Q1266.Three-fourth of a number is 60 more than its one-third. The number is
Correct Answer: C
(3/4)x - (1/3)x = 60 → (5/12)x = 60 → x = 144.
Q1267.The cost of a car is 400% greater than the cost of a bike. If there is an increase in the cost of the car is 15% and that of bike 20%. Then the total increase in the cost of the 5 cars and 10 bikes is
Correct Answer: C
Let bike=1, car=5. 5 cars+10 bikes original=25+10=35. Increase=5×5×0.15+10×1×0.20=3.75+2=5.75. Percent increase=5.75/35×100≈16 3/7%.
Q1268.A School has four classes. They are 10,20,30 and 40 respectively. Students Pass percentage is 20%; 30%,60% and 100%. What is the percentage of entire school.
Correct Answer: B
Passed students = 2+6+18+40 = 66 out of 100 total students = 66%.
Q1269.Allama Iqbal died on:
Correct Answer: A
Allama Muhammad Iqbal passed away on 21 April 1938.
Q1270.The United Nations was founded on:
Correct Answer: A
The United Nations was officially founded on 24 October 1945.
Q1271.The Crimean Peninsula was annexed by the Russian Federation in:
Correct Answer: B
Russia annexed the Crimean Peninsula in 2014.
Q1272.How much livestock contributed in GDP?
Correct Answer: D
The livestock sector contributes around 14% (roughly 60% of agriculture's share) to Pakistan's GDP.
Q1273.If A and B are in the ratio of 3:4 and the ratio of B and C is 12:13 then A and C will be the ratio of:
Correct Answer: A
A:B=3:4=9:12, B:C=12:13. Combined A:B:C=9:12:13, so A:C=9:13.
Q1274.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.
Q1275.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.
Q1276.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.
Q1277.what is the ratio in Rs 2.80 and 40 Paisa?
Correct Answer: B
2.80 Rs = 280 paisa. Ratio 280:40 = 7:1.
Q1278.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%.
Q1279.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').
Q1280.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.