User Forum

Fill in the blanks and select the correct option.
(i) The greatest member of the Pythagorean triplet, if the other two members are 20 and 99, is __P__.
(ii) The value of is __Q__.
(iii) If then the value of a is

The radii of two concentric circles are 13 cm and 8 cm. AB is a diameter of the bigger circle. BD is a tangent to the smaller circle touching it at D. Find the length AD.

A19 cm
B20 cm
C16 cm
D√105 cm

How many pairs of letters are there in the word RECREATION which have number of letters between them in the word one less than the number of letters between them in the English alphabet?

ATwo
BThree
CFour
DMore than four

The given question consists of a set of three figures X, Y and Z showing a sequence of folding of a piece of paper. Fig. (Z) shows the manner in which the folded paper has been cut. Select a figure from the options which would most closely resembles the unfolded form of Fig.(Z).


A
B
C
D

Which of the following figures will continue the same series as established by the Problem Figures?


A
B
C
D

A car travels 180 km in 6 hours and a bus travels 315 km in 9 hours at uniform speeds. Find the ratio of distance travelled by car to bus in one hour.

A7 : 6
B5 : 8
C8 : 5
D6 : 7

Prem went to a craft fair where he spent a total of ₹ 16.00. He spent ₹ 6.00 on admission and went to 8 tables. He spent the same amount of money (m) at each table. The given expression can be used to find how much money he spent at each table.
16 = 6 + 8 m
How much money did Prem spent at each table?

A ₹ 0.50
B ₹ 0.80
C ₹ 1.25
D ₹ 2.00

Which of the following will be the middle digit of the lowest number formed after the digits in each number is arranged in descending order?
642  379  894  546  795

A 1
B 2
C 4
D 7

If = 1 unit, then Shruti is _____ units shorter than Sneha.


A2
B3
C5
D6