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151.	Directions: Given are the scattered pieces of figure from the given options. Find out which figures can be made from these scattered figures.
Answer» Directions: Given are the scattered pieces of figure from the given options. Find out which figures can be made from these scattered figures.

152.	If a card is picked up at random from a pack of 52 cards. Find the probability that it is a spade.
Answer» If a card is picked up at random from a pack of 52 cards. Find the probability that it is a spade.

153.	In any given year, the probability of an earthquake greater than Magnitude 6 occurring in the Garhwal Himalayas is 0.04. The average time between successive occurrences of such earthquakes is ________ years.25
Answer» In any given year, the probability of an earthquake greater than Magnitude 6 occurring in the Garhwal Himalayas is 0.04. The average time between successive occurrences of such earthquakes is ________ years. 25

154.	A potential function is represented by V = (2x + 4y) V (in free space). The energy stored in 1 m3 volume centered at origin is _____pJ.88.54
Answer» A potential function is represented by V = (2x + 4y) V (in free space). The energy stored in 1 $m^{3}$ volume centered at origin is _____pJ. 88.54

155.	A batch of one hundred bulbs is inspected by testing four randomly chosen bulbs. The batch is rejected if even one of the bulbs is defective. A batch typically has five defective bulbs. The probability that the current batch is accepeted is .
Answer» A batch of one hundred bulbs is inspected by testing four randomly chosen bulbs. The batch is rejected if even one of the bulbs is defective. A batch typically has five defective bulbs. The probability that the current batch is accepeted is .

156.	A bag contains 4 white and 2 black ball and 2nd bag contains 3 white and 5 black balls. If drawn from each bag, find the probability both are black.
Answer» A bag contains 4 white and 2 black ball and $2^{n d}$ bag contains 3 white and 5 black balls. If drawn from each bag, find the probability both are black.

157.	In throwing a fair dice, what is the probability of getting the number '3'?
Answer» In throwing a fair dice, what is the probability of getting the number '3'?

158.	The area of an equilateral triangle is √3. What is the perimeter of the triangle?
Answer» $T h e a r e a o f a n e q u i l a t e r a l t r i a n g l e i s \sqrt{3} .$ $W h a t i s t h e p e r i m e t e r o f t h e t r i a n g l e ?$

159.	The general ratio of cement : sand: aggregate in nominal mix M20 grade concrete is:
Answer» The general ratio of cement : sand: aggregate in nominal mix $M 20$ grade concrete is:

160.	How many four digit numbers can be formed with the 10 digits 0,1,2,......9 if no number can start with 0 and if repetitions are not allowed?4536
Answer» How many four digit numbers can be formed with the 10 digits $0, 1, 2, . . . . . .9$ if no number can start with 0 and if repetitions are not allowed? 4536

161.	In a single throw of two dice, what is the probability of a double?
Answer» In a single throw of two dice, what is the probability of a double?

162.	Below is a square grid of 8×8What is total number of rectangles in the grid?
Answer» Below is a square grid of 8 $\times$ 8 What is total number of rectangles in the grid?

163.	In order to maintain the price line, a trader allows a discount of 10% on the marked price of goods in his shop. However, he still makes a gross profit of 17% on the cost price. Find the profit percent he would have made on the selling price had he sold at the marked price.
Answer» In order to maintain the price line, a trader allows a discount of 10% on the marked price of goods in his shop. However, he still makes a gross profit of 17% on the cost price. Find the profit percent he would have made on the selling price had he sold at the marked price.

164.	The electric flux density vector of a certain charge distribution is represented by →D=12xyz^ax+(6x2z+6yz) ^ay+(6x2y+3y2)^azC/m2The amount of charge enclosed in cube having a volume of volume of 10−5m3 located at (x=1 m,y = 1 m,z = 1 m) is _______μC.180
Answer» The electric flux density vector of a certain charge distribution is represented by $\to D = 12 x y z_{x} + (6 x^{2} z + 6 y z)_{y} + (6 x^{2} y + 3 y^{2})_{z} C / m^{2}$ The amount of charge enclosed in cube having a volume of volume of $10^{- 5} m^{3}$ located at (x=1 m,y = 1 m,z = 1 m) is _______ $μ C$ . 180

165.	Two alloys A and B contain gold and copper in the ratios of 2:3 and 3:7 by mass, respectively. Equal masses of alloys A and B are melted to make an alloy C. The ratio of gold to copper in alloy C is
Answer» Two alloys A and B contain gold and copper in the ratios of $2 : 3$ and $3 : 7$ by mass, respectively. Equal masses of alloys A and B are melted to make an alloy C. The ratio of gold to copper in alloy C is

166.	The approximate ratio between the strength of cement concrete at 7 days and 28 days is
Answer» The approximate ratio between the strength of cement concrete at 7 days and 28 days is

167.	GCD of x2−4 and x2+x−6 is
Answer» $G C D o f x^{2} - 4 a n d$ $x^{2} + x - 6 i s$

168.	A solenoid of 2500 turns wound uniformly over a length of 0.5 m on a cylindrical paper tube, 4cm in diameter. The inductance of the solenoid is ________mH (Assume air medium ) 19.7
Answer» A solenoid of 2500 turns wound uniformly over a length of 0.5 m on a cylindrical paper tube, 4cm in diameter. The inductance of the solenoid is ________mH (Assume air medium ) 19.7

169.	The figures show diagramatic representations of vector fields →X,→Y and→Z, respectively. Which one of the following choices is true?
Answer» The figures show diagramatic representations of vector fields $\to X, \to Y a n d \to Z$ , respectively. Which one of the following choices is true?

170.	The transformation of the vector in to cylindrical coordinates gives→B=yδx−xδy+zδz
Answer» The transformation of the vector in to cylindrical coordinates gives $\to B = y δ_{x} - x δ_{y} + z δ_{z}$

171.	If a letter is randomly picked from the word TREKKING, what is the probability it will be the letter K?
Answer» If a letter is randomly picked from the word TREKKING, what is the probability it will be the letter K?

172.

Fill in the blanks:A pie chart is used to compare_____ to a whole.

Answer»

Fill in the blanks:

A pie chart is used to compare_____ to a whole.

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