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In a row of 36 pupils, the first boy is followed by 1 girl, the second boy is followed by 2 girls, the third by 3 girls and so on. What is the number of girls in the second half of the row, if the row starts with the boy?

A15
B12
C16
D28

If all the letters in the English alphabetical series are reversed, then which will be the 8^th alphabet from the right of 6^th alphabet from left end ?

AK
BJ
CL
DM

Which of the following has the smallest value?
(a) 112 tens - 5 hundreds
(b) 14 hundreds x 6
(c) 86 hundreds - 2 thousands
(d) 78 tens ÷ 3

Select the incorrect match.

(i) Dachigam National Park – Karnataka
(ii) Bandipur National Park – Tamil Nadu
(iii) Mehao Wildlife Sanctuary – Arunachal Pradesh
(iv) Keoladeo National Park – Rajasthan
(v) Similipal Biosphere Reserve – Odisha
(vi) Kanha National Park – Madhya Pradesh

A (i) and (ii) only
B (i), (ii) and (vi) only
C (ii), (iv) and (v) only
D (ii), (iii) and (vi) only

In which diagram(s) is/are the correct poles of the electromagnet indicated? (N indicates North pole and S indicates south pole.)


A2 only
B1 and 2 only
C2 and 3 only
D1, 2 and 3

Which of the following options satisfy the same conditions of placement of the dots as in Fig.(X)?


A
B
C
D

The diagram shows a conducting sphere M between two oppositely charged metal plates. What would be the resulting charge distribution on sphere M?


A
B
C
D

The given figure shows human digestive system with some parts labelled as P, Q, R and S. Which of the following labelled parts is correctly matched with its function?


A Q - Food is mixed with digestive juices
B P - Digestion starts here
C R - Most of the water is absorbed here
D S - Digestion of all food components takes place here

Read the given paragraph. Process P helps in drying up of our wet clothes when hung on clothesline under sunlight. Process Q makes the mirror in our washroom foggy when we take hot shower. Process R is responsible for loss of water present in soil through leaves of plants. Identify the processes and select the correct option regarding them.

AAll the processes P, Q and R involve the change of state of matter.
BProcess P decelerates with increase in temperature whereas processes Q and R speed up with increase in temperature.
CIn absence of process Q, water present in atmosphere will not precipitate or fall down on Earth’s surface.
DBoth A and C

A 1 m long uniform beam is being balanced as shown. Find the force X.


A2 N
B3 N
C7 N
D10 N