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cos² x + sin x = 5/4 (1 - sin² x + sinx) = 5/4 Let sin x =a 4a2 - 4a + 1 = 0 4a2 - 2a - 2a + 1 = 0 2 a (2a - 1) - 1 (2a - 1) = 0 (2a-1) (2a - 1) = 0 2a = 1 a = ½ Sinx =1/2
Rohan started from his home to go to his school. He went 100 meters towards the South, then turned towards the West and walked 50 metres. He then turned...
In a certain code language, ‘RETAIL’ is written as ‘FNQWJY’ and ‘POLICE’ is written as ‘NHJUTQ’. How will ‘HARBOR’ be written in tha...
One morning Kumar and Vikram were talking to each other face to face at a crossing. If Vikram’s shadow was exactly to the left of Kumar, in which dire...
Select the set in which the numbers are related in the same way as are the numbers of the following set.
(NOTE : Operations should be performed o...
Three of the following numbers are alike in a certain way and one is different. Pick the odd one out. (NOTE : Operations should be performed on the whol...
In a certain code language.
'Attend class daily good' is written as 9$5, 24%9, 356, 24*3
'Begin great any matter' is written as 3 & 3, 859...
The following figures show the sequence of folding a transparent sheet of paper and the method of cutting the folded paper. What will this paper look li...
In a class of 35 students, Kunal is placed seventh from the bottom whereas Sonali is placed ninth from the top. Pulkit is placed exactly in between the...
In the following question, select the number which can be placed at the sign of question mark (?) from the given alternatives.
A statement is followed by two conclusions, numbered I and II. Find out which of the following conclusion(s) is/are true based on the given statements.<...
