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A duck flew at 18 km per hour for 3 hours, then at 15 km per hour for 2 hours. How far did the duck fly in all?


A69 km
B75 km
C81 km
D84 km

Find the missing number, if a certain rule is followed in all the three figures.

(NSO 2015)



A55
B66
C77
D88

If the HCF of 210 and 55 is expressible in the form 210 × 5 + 55y, find y.

A5
B-15
C14
D-19

Tom left home at 7 : 15 a.m. to go to work. He returned home at 4 : 45 p.m. For how long Tom was away from home?

A7 hours 30 minutes
B9 hours 30 minutes
C3 hours 30 minutes
D8 hours 30 minutes

In a certain code, MONKEY is written as XDJMNL. How will TIGER be written in that code?

(NSO 2015)

AQDFHS
BSDFHS
CUJHFS
DQDFSH

In a pressure-kerosene stove,
(i) We pump kerosene and convert it into vapours.
(ii) The vapours are then ignited.
Which of the following is true about the above statements?

A(i) is a chemical change; (ii) is a physical change.
B(i) is a physical change; (ii) is a chemical change.
CBoth (i) and (ii) are physical changes.
DBoth (i) and (ii) are chemical changes.

The freezing and boiling points of a substance 'P' are -220°C and -185°C respectively. At which of the following range of temperatures will 'P' exist as a liquid?

ABetween -175°C and -210°C
BBetween -190°C and -225°C
CBetween -200°C and -160°C
DBetween -195°C and -215°C

Arrange the following planets in increasing order of time required to complete one revolution around Sun.
(i) Earth (ii) Uranus
(iii) Mars (iv) Jupiter

A(i), (ii), (iii), (iv)
B(i), (iii), (iv), (ii)
C(iv), (iii), (ii), (i)
D(ii), (iii), (i), (iv)

Find the odd one out.

A
B
C
D

A constant current flows in a horizontal wire in the plane of the paper from west to east as shown in the given figure. The direction of magnetic field will be north to south, at a point __________.


ADirectly above the wire
BDirectly below the wire
CLocated in the plane of the paper, on the north side of the wire
DLocated in the plane of the paper, on the south side of the wire