691: A rectangular sump of dimensions 6 m x 5 m x 4 m is to be built by using bricks to make the outer dimension 6.2 m x 5.2 x 4.2 m. Approximately how many bricks of size 20 cm x 10 cm x 5 cm are required to build the sump for storing water ?

(a) 1500

(b) 3000

(c) 15000

(d) 30000
692: Which one of the following pairs does not form part of the six systems of Indian Philosophy?

(a) Mimamsa and Vedanta
(b) Nyaya and Vaisheshika
(c) Lokayata and Kapalika
(d) Sankhya and Yoga
693: Which one of the following statements does not apply to the system of Subsidiary Alliance introduced by Lord Wellesley?

(a) To maintain a large standing army at other's expense
(b) To keep India safe from Napoleonic danger
(c) To secure a fixed income for the Company
(d) To establish British paramountcy over the Indian States
694: Which one of the following ports shown on the rough outline map of India is a riverine port ?

(a) 1
(b) 2
(c) 3
(d) 4
695: Consider the following statemtns:

1. Total land area of Earth is approximately 1475 lakh square kilometers.

2. Ratio of land area to water area of Earth is approximately 1 : 4.

3. Maximum percentage of Earth's water is in the Pacific Ocean.

Which of the following statements given above is/are correct?

(a) 1 only
(b) 3 only
(c) 2 and 3
(d) 1 and 3