Challenger App

No.1 PSC Learning App

1M+ Downloads
ഒരു ക്ലാസ്സിലെ പരീക്ഷയ്ക്കു വിജയിച്ച കുട്ടികളിൽ അരുണിന്റെ റാങ്ക് മുകളിൽ നിന്നും 15-ാമതും താഴെ നിന്നും 30-ാമതും ആണ്. 7 കുട്ടികൾ പരീക്ഷ എഴുതാതിരിക്കുകയും ചെയ്തു. എങ്കിൽക്ലാസ്സിലെ മൊത്തം കുട്ടികളുടെ എണ്ണം എത്ര?

A50

B51

C60

D40

Answer:

B. 51

Read Explanation:

വിജയികളുടെ എണ്ണം = 15 +30 - 1 = 44 7കുട്ടികൾ പരീക്ഷ എഴുതിയില്ല ആകെ കുട്ടികളുടെ എണ്ണം = 44 + 7 = 51


Related Questions:

Find the wrong number in the series 105, 85, 60, 30, 0, -45
If each digit in the number 92581473 are arranged in ascending order, what would be the difference between the digits which are fourth from the right and third from the left in the new arrangement?
In a class, there are 40 students. Some of them passed the examination and others failed. Raman’s rank among the student who have passed is 13th from top and 17th from bottom. How many students have failed?
Five patients A, B, C, D and E are sitting on a bench to consult a physician in a hospital. Patient A is sitting next to B, patient C is sitting next to D, D is not sitting with E who is at the left end of the bench. Patient C is sitting second from the right, patient A is to the right of B and E. Two patients A and C are sitting together. In which position is patient A sitting ?
P is shorter than Q but taller than T. R is the tallest and S is shorter than P but not the shortest. Who is second last in the descending order of height?