Related Questions

212+212+212+212 =?
A 214
B 216
C 248
A potato tuber has been cut into two halves. A few drops of iodine solution are placed on the cut surface of one of the halves. What colour change will be noticed?
A From brown to blue-black
B From brown to orange-red
C From blue to pink
D From pink to blue-green
A solid sphere of diameter 17.5 cm is cut into two equal halves. What will be the increase (in cm2) in the total surface area?
A 289
B 361.5
C 481.25
D 962.5
Aruna cut a cake into two halves and cuts one half into smaller pieces of equal size. Each of the small pieces is twenty grams in weight. If she has seven pieces of the cake in all with her, how heavy was the original cake ?
A 120 grams
B 140 grams
C 240 grams
D 280 grams
E None of these
A closely-coiled helical spring is cut into two halves. The stiffness of the resulting spring will be
A Same
B Double
C Half
D One-fourth
A coil is cut into two halves, the stiffness of cut coil will be
A Double
B Half
C Same
D None of these
When a bar magnet is cut into two equal halves, the pole strength of each piece –
A Becomes double
B Becomes half
C Becomes zero
D Remains the same
When a helical compression spring is cut into halves, the stiffness of the resulting spring will be
A Same
B Double
C One-half
D One-fourth
Think a number and then double the number. Then add 8 and multiply the result by 6. Now divide the result by 10 the subtract the number you first thought out. what is the final result?
A 4
B 6
C 10
D 14
Think a number and then double the number. Then add 8 and multiply the result by 6. Now divide the result by 12, then subtract the number you first thought out. What u the final result?
A 4
B 6
C 10
D 14

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