Question
Ballu gets 5 marks for each correct answer and loses 3
marks for each wrong answer. If he attempts 40 sums and obtains 80 marks. The number of sum solved correctly isSolution
Let the ballu correct sums be x According to the question Correct marks – incorrect marks = Total marks 5 x – 3(40 - x) = 80 5x – 120 + 3x = 80 8x = 200 x = 25
- Pointing to a man in a photograph a woman says, "He is the father of my only daughter-in-law's father-in-law". How is the man related to the woman? 
- Which of the following terms will replace the question mark (?) in the given series? - DCZ, FFY, ?, JLW, LOV 
- Six words Eat, Cry, Play, Sleep, Run and Bath are written on different faces of a dice. Three positions of this dice are shown in the figure. Find the w... 
- Choose the correct mirror image of the following figure. (Note: Mirror is placed vertically towards the right of the figure) - Select the word-pair that best represents a similar relationship to the one expressed in the pair of words given below. (The words must be considered as... 
- Read the directions carefully and answer the question based on them. - Rohit is looking for his brother. He started from a point and went 110 m t... 
- In a certain code language, if BECAME is written EHFCOG, how will CLOSER be written in the same code language? 
- Select the combination of letters that when sequentially placed in the blanks of the given series will complete the series. - _ BCD _ _ ABC _ _ E _... 
- If ÷ means −, − means ×, × means +, + means ÷, what will come in place of the question mark (?)? - 77 ÷ 7 × 17 – 49 + 7 = ? ...
- If ÷ is interchanged with − and × is interchanged with +, then which of the following expressions is correct?