**Revise 10 questions everyday from Prelims Past Papers (2015 to 1979)**

If not satisfied with the answers, please search the internet for correct answers & mention the correct answer in the comments section. ** Our aim is to make you revise these questions.** Answer keys of reputed IAS institutes are referred)

**Today’s 10 questions from 1987 GS-1 Prelims Paper [Questions 21 to 30]**

**To revise [Questions 11-20] refer yesterday’s post.**

Q21. In accordance with the following diagram, a man walks from A to O in 5 minutes and from B to O and O to C in three minutes each. O is the centre of the circle. AB and AC are tangents at B and C respectively drawn from A. The time taken by him in covering the distance from A to C via B and O is

(a) 3 minutes

(b) 5 minutes

(c) 8 minutes

**(d) 10 minutes**

Q22. A person starts walking towards north from a point and walks 3 km; then moves left and walks 2 km; again moves to his right and walks 1 km and finally moves to his right and walks 5 km. At what distance is he now from the starting point ?

(a) 3 km

(b) 4 km

**(c) 5 km**

(d) 6 km

Q23. Which of the figures (a), (b), (c) and (d) replaces the Q mark ?

Answer: (a)

Q24. The expenses of A and B are in the ration 2 : 3. A sum of Rs. 2800 is equally divided between them. If A saves Rs. 600, then B saves

**(a) Rs. 200**

(b) Rs. 300

(c) Rs. 400

(d) Rs. 500

Q25. The ratio of boys and girls in sections A, B, C and D of class VI is respectively 7 : 5, 5 : 3, 3 : 2 and 2 : 1. If the number of students in each of the sections is equal, then maximum number of boys are enrolled in section

(a) A

(b) B

(c) C

**(d) D**

Q26. If the following time-temperature graph relates the specific heats of two metals A and B, then

(a) Specific heat of A is greater than that of B.

**(b) Specific heat of B is greater than that of A.**

(c) Specific heats of A & B are equal.

(d) Specific heats cannot be compared.

Directions (Qs. 27 and 28) : Weights of the organs of various animals (in kg) are given below :

Organs |
|||||

Heart | Brain | Liver | Kidney | ||

Animals | Horse | 3.6 | 0.3 | 6.25 | 0.6 |

Cow | 2.7 | 0.2 | 5.45 | 0.45 | |

Sheep | 1.8 | 0.13 | 2.2 | 0.3 | |

Dog | 1.3 | 0.09 | 1.5 | 0.14 |

Q27. Which animal has the heaviest heart?

**(a) Horse**

(b) Cow

(c) Sheep

(d) Dog

Q28. Which animal has the highest percentage of the weight of brain and liver taken together in comparison with the sum total of the weights of its organs provided in the data ?

(a) Horse

**(b) Cow**

(c) Sheep

(d) Dog

Q29. In the following graph, the distance covered by the particle is

(a) 20 metres

**(b) 50 metres**

(c) 80 metres

(d) 120 metres

Q30. If a metal slab of size 1 m x 20 cm x 1 cm is melted to another slab of 1 mm thickness and 1 m width, then the length of the new slab thus formed will be

**(a) 200 cm**

(b) 400 cm

(b) 600 cm

(d) 1000 cm

**Tomorrow: Next 10 questions**

**To revise [Questions 11-20] refer yesterday’s post.**

**Click on MAINS and CSAT pages also.**