Read the following statements :
1. Either A and B are of the same age or A is older than B
2. Either C and D are of the same age or D is older than C
3. B is older than C
Which one of the conclusions can be drawn from the above statements?

The minute hand of a circular clock is 14 cm long and that of hour hand is 7 cm. Find how far does the tip of the minute and hour hand move in 30 minutes?

A heap of paddy is in the form of a right circular cone whose diameter is 4.8 m and height 1.8 m. If the heap is to be covered exactly by a canvas to protect it from rain, find the area of the canvas required.

If $a^{x}$= b,$b^{y}$ = c,$c^{z}$ = a, then what is the value of xyz ?

Arrange the following in the order of increasing solubility in water
(i)$NaHCO_{3}$ (ii) $KHCO_{3}$ (iii) $Mg{(HCO_{3})}_2$ (iv) $ca{(HCO_{3})}_2$

Match the following :
Actinide element Atomic number
(a) Plutonium 1. 102
(b) Curium 2. 1OO
(c) Fermium 3. 96
(d) Nobelium 4. 94
(a) (b) (c) (d)

Match the Number of electrons transferred (a) when one mole of $KMnO_4$ is reduced to (b)
(a) 1, 3, 4, 5
(b) $Mn_{2}O_3$, $MnO_2$, $Mn{O_4^2}^-$, ${Mn^2}^+$

An example of commonly used herbicide is

Match the following:
I II III
(1) Thiamine (a) Cheilosis (i) Pellagra
(2) Niacin (b) Polyneuritis (ii) Glossitis
(3) Riboflavin (c) Nicotinamide (iii) Beri beri
(4) Biotin (d) Antipernic (iv) Hyperestheria
(5) Cyanacobalamine (e) Coenzyme R (v) Pernicious anaemia

The Indian Constitution describes Legislative Relations between Union and States in Article from