**621. An engineering student has to secure 36% marks to pass. He gets 130 marks and fails by 14 marks. The maximum No. of marks obtained by him is_________?**

A. 300**B. 400**

C. 350

D. 500

**622. If the numerator of a fraction is increased by 20% and its denominator is diminished by 25% value of the fraction is 2/15. Find the original fraction.****A. 1/12**

B. 1/8

C. 1/6

D. 1/4

**Explanation:****X * (120/100)****—————- = 2/15****Y * (75/100)****X/Y = 1/12**

**623. Subtracting 10% from X is the same as multiplying X by what number?**

A. 80%**B. 90%**

C. 10%

D. 50%

**Explanation:****X – (10/100) X = X * ?****? = 90%**

**624. If the price of gold increases by 50%, find by how much the quantity of ornaments must be reduced, so that the expenditure may remain the same as before?**

A. 27 2/23 %**B. 33 1/3 %**

C. 30%

D. 19%

**625. A candidate got 35% of the votes polled and he lost to his rival by 2250 votes. How many votes were cast?****A. 7500**

B. 5000

C. 6000

D. 3500

**Explanation:****35%———–Lost****65%———–Win****——————****30%———-2250****100%———? => 7500**

**626. The tax on a commodity is diminished by 20% and its consumption increased by 15%. The effect on revenue is_________?**

A. It increases by 8%**B. It decreases by 8%**

C. No change in revenue

D. It increases by 10%

E. None

**Explanation****100 * 100 = 10000****80 * 115 = 9200****———–****10000———–800****100———–? => 8% decrease**

**627. The salary of a typist was at first raised by 10% and then the same was reduced by 5%. If he presently draws Rs.1045.What was his original salary?**

A. 900

B. 950**C. 1000**

D. 975

**Explanation:****X * (110/100) * (95/100) = 1045****X * (11/10) * (1/100) = 11****X = 1000**

**628. A sells his goods 50% cheaper than B but 50% dearer than C. The cheapest is_________?**

A. A

B. B**C. C**

D. All Alike

**Explanation:****Let B = 100****A = 50****C * (150/100) = 50****3C = 100****C = 33.3 then ‘C’ Cheapest**

**629. Two numbers are respectively 20% and 25% more than a third number. The percentage that is first of the second is_________?**

A. 80%

B. 85%**C. 96%**

D. 125%

**Explanation:****I II III****120 125 100****125———-120****100———–? => 96%**

**630. In an examination 38% of students fail in English and 61% pass in Urdu and 23% fail in both. Find the actual failure percentage?**

A. 46%

B. 61%**C. 54%**

D. 70%