Ssc mathematics

How many digits are required to write the numbers from 100 to 5000

Fraction form of 12.35777777..... Is??

What should be added to 36547*36555 so that it becomes a perfect square
a)4
b)8
c)12
d)16

If there are 25 students from roll number 1 to 25. And each student got twice as much toffees as his roll number. How many toffees are required??

If two parallal sides of a trapezium are 9cm and 6 cm.what will be the length of line segment joining midpoints of remaining sides.
a)7cm
b)7.5cm
c)8cm
d) 6.5cm

(1+Tan23)(1+Tan22)=?
a)1
b)2
c)3
d)none of these

In a school boys are 60%. If 10 boys and 50 girls join the school more boys becomes 55%. How many boys were there initially.
a)295
b)276
c) 460
d)184

Minimum value of
Sec A+Cosec A
a)0
b)2
c)4
d)6

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