Answer: D) 14 Explanation: The given number series is 96, 95, 87, 78, ?  It follows a pattern that, 9696 - 12 = 9595 - 23 = 95 - 8 = 8787 - 32 = 87 - 9 = 7878 - 43 = 78 - 64 = 14   Hence, the next number in the given number series is 14.

Answer: A) W Explanation: W is the symbol for chemical element Tungsten or Wolfram. It is used in making filaments of bulbs.

Answer: D) The kidneys deactivate vitamin D and stimulate the activity of osteoclasts Explanation: The kidneys deactivate vitamin D and stimulate the activity of osteoclasts is wrong among the functions of kidneys.   The kidneys are two bean-shaped organs in the renal system. They help the body pass waste as urine. They also help filter blood before sending it back to the heart.   The kidneys perform many crucial functions, including: maintaining overall fluid balance. regulating and filtering minerals from the blood. filtering waste materials from food, medications, and toxic substances. creating hormones that help produce red blood cells, promote bone health, and regulate blood pressure.