Kerala PSC Maths Questions and Answers 7
This page contains Kerala PSC Maths Questions and Answers 7 for psc exam preparations in Malayalam and English.
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121. Complete the series. 45,33,23,15,9,____
Answer: 5
122. There are 50 students in a class. In a class test 22 students get 25 marks each, 18 students get 30 marks each. Each of the remaining gets 16 marks. The average mark of the whole class is :
Answer: 25
123. 2009 april 7 ഏത് ദിവസമാണ്?
Answer: tuesday
124. If + means × , - means † , × means - and † means + then 16 – 4 + 3 × 5 ÷ 2 =
Answer: 9
125. If x/2=(x-1)Square.Find X
Answer: .2
126. Minimum pass for an examination is 30 percent. Rajan got 50 marks but he failed due to a shortage of 10 marks. Then the total marks is :
Answer: 240
127. Speed of a swimmer when moving in the direction perpendicular to the direction of the current is 16 km/h, speed of the current is 3 km/h. So the speed of the swimmer against the current will be (in km/h):
Answer: 10Sol. Speed of swimmer = 16 – 3 = 13 km/h. ∴ Speed of swimmer against the current = 13 – 3 = 10 km/h.
128. മൂന്നാം തീയതി ശനിയാഴ്ച വരുന്ന ആഗസ്റ്റ് മാസത്തില് എത്ര ശനിയാഴ്ച ഉണ്ട് ?
Answer: അഞ്ച്
129. A completes 80% of a work in 20 days. Then B also joins and A and B together finish the remaining work in 3 days. How long does it need for B if he alone completes the work?
Answer: 37 ½ days
130. . The batting average for 40 innings of a cricket player is 50 runs. His highest score exceeds his lowest score by 172 runs. If these two innings are excluded, the average of the remaining 38 innings is 48 runs. Find out the highest score of the player.
Answer: 174
131. A boat sails 15 km of a river towards upstream in 5 hrs. How long will it take to cover the same distance downstream, if the speed of current is one-fourth the speed of the boat in still water
Answer: 3 hrs
132. A motorboat went the river for 14 km and then up the river for 9 km. If took a total of 5 hrs the entire journey. Find the speed of the river flow if the speed of the boat in still water is 5 km/h.
Answer: 2 km/h
133. If the perimeter of a cube is 40 cm, its area is ______ .
Answer: 100
134. The first underwater rail tunnel in India is constructed under which river ?
Answer: Hugli
135. ഒരു ടൂത്ത് പേസ്റ്റിൽ 25% കൂടുതൽ എന്ന് എഴുതിയിരിക്കുന്നു. എത്ര ശതമാനം കിഴിവിന് തുല്യമാണ് ഇത് ?
Answer: 20
136. Anjana is fond _____ music
Answer: of
137. Raju crosses a 600m long street in 5 minutes what is his speed in km per hour?
Answer: 7.2km/hr
138. A and B are travelling from one point by different trains in opposite directions. The speed of A`s train is 40 km/hr and that of B`s train is 30 km/hr. How far away will A be from B after 3 hours
Answer: 210 km
139. Area of a rectangle of 5 metre length and 4 metre breadth is
Answer: 20m^2
140. . ഒരാല് 1200 രൂപ മുടക്കി ഒരു പശു വിനെ വാങ്ങി ഇതിനെ 1600 രൂപയ്ക്കുവി റ്റാല് ലാഭശതമാനം എത്ര?
Answer: 33 1/ 3
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