Question
Find the value of the given expression. 4 ×
(tan 45° – cos 60°)Solution
We know that,
tan 45° = 1, cos 60° = 1/2 Then value of
4 × (tan 45° – cos 60°)
= 4 × {1 – (1/2)}
= 4 × (1/2)
= 2
230 192 172 ? 122 100
...What value should come in the place of (?) in the following number series?
64, 80, 104, ?, 176, 224
97, 106, ?, 195, 411, 460
What will come in place of the question mark (?) in the following series?
29, 42, ?, 95, 135, 184
Find the missing term:
2, 6, 15, 31, 56, ?
32   48   96   ?   720   2520
82, 98, 130, 178, 242, ?
4 10 ? 62.5 156.25 390.625
...140, 146, 170, 224, ?, 470
7 47 ? 223 359 527
...