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In a row of girls, Nina is ranked 15^th from the left end and 20^th from the right end. How many girls are there in the row?

A35
B34
C30
D20

Which of the following processes represents a neutralisation reaction?

A Applying vinegar on wasp sting
B Brushing our teeth with toothpaste
C Sodium hydroxide reacts with hydrochloric acid to form sodium chloride.
D All of these

Study the series carefully :
S k 6 £ Q 2 R ∗ C F 8 E $ G 2 # 4 9 L N 3 U V 5 Y ∝ B 7 W 9
S K £ is related to 9 W B in the same way Q 2 ∗ is related to

A∝ V U
B∝ Y 5
C7 B Y
D∝ Y V

Refer to the given figures of types of teeth (P, Q, R and S) in human beings.

Select the correct option regarding them.

AS is used in tearing of food while P is used in cutting or biting of food.
BQ is total 8 in number while R is total 12 in number in human jaws.
CR type of teeth is absent in milk teeth and it appears in second set of teeth i.e., permanent teeth.
DP is total 2 in number while S is total 4 in number.

Which of the following characteristics is/are shared by the animals shown in the given figures?

(i) They lay eggs.
(ii) They eat same type of food.
(iii) They grow and eventually die.
(iv) They live both on land and in water.
(a) (i) & (iii)
(b) (i), (ii) & (iii)
(c) (i), (iii) & (iv)
(d) (iii) only

Select the correct option in reference to the given word chop table.


A Natural satellite of Earth – 6, 1
B Hottest planet of our Solar System – 4, 12, 7
C Smallest planet of our Solar System – 2, 3
D Largest planet of our Solar System – 8, 10, 15

Select the correct option regarding properties of solid, liquid and gas.

Plant in which leaves can grow into a new plant is

AOnion
BDahlia
CPotato
DBryophyllum.