7.Sunil,Deepak and neeraj are cousins. Sunil is year older than two times deepak' s age.Sunil is 2 years younger than Deepak. Sunil is 21 years old. how old are Deepak and Neeraj??
Deepak Neeraj

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Solution

Dear Student,

$A g e o f s u n i l = 21 A l s o g i v e n t h a t s u n i l i s 1 y e a r o l d e r t h a n 2 t i m e s d e e p a k' s a g e H e n c e 21 = 2 \times D e e p a k a g e + 1 \Rightarrow 2 \times D e e p a k a g e = 20 \Rightarrow D e e p a k a g e = 10 I t i s a l s o g i v e n t h a t S u n i l i s 2 y e a r s y o u n g e r t h a n N e e r a j (i n q u e s t i o n i t i s m e n t i o n e d d e e p a k w h i c h i s a l r a e d y c o v e r e d h e n c e a s s u m i n g i t i s n e e r a j) H e n c e s u n i l = n e e r a j - 2 \Rightarrow 21 = a g e o f n e e r a j - 2 \Rightarrow a g e o f n e e r a j = 23$
Regards,

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